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Biden in Kyiv to show solidarity as Ukraine war nears 1 year

President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks down a train corridor to his cabin after a surprise visit to Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/Evan Vucci, Pool) President Joe Biden sits on a train with National Security Advisor Jake Sullivan as he goes over his speech marking the one-year anniversary of the war in Ukraine after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks down a corridor to his cabin on a train after a surprise visit with Ukrainian President Volodymyr Zelenskyy, Monday, Feb. 20, 2023, in Kyiv. Biden took a nearly 10-hour train ride from Poland into Kyiv. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) Soldiers carry the coffin of military serviceman Ruslan Zastavnyi during his funeral in Lviv, Ukraine, on Monday, Feb. 20, 2023. Zastavnyi joined the army in March 2022, died two weeks ago near Bakhmut. (AP Photo/Petros Giannakouris) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, right, and Ukrainian President Volodymyr Zelenskyy hug as they say goodbye at the Memorial Wall of Fallen Defenders of Ukraine in Russian-Ukrainian War, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (Ukrainian Presidential Press Office via AP) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden signs a guest book during his meeting with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, centre left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy after they both delivered statements at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, right, and Ukrainian President Volodymyr Zelenskyy talk at the "Walk of the Brave", during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. The "Walk of the Brave" name plates mark those who have helped in the struggle against the Russian invasion of Ukraine. (Ukrainian Presidential Press Office via AP) US President Joe Biden, centre right, and Ukrainian President Volodymyr Zelenskyy talk at the "Walk of the Brave", during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. The "Walk of the Brave" name plates mark those who have helped in the struggle against the Russian invasion of Ukraine. (Ukrainian Presidential Press Office via AP) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michael's Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, right, and Ukrainian President Volodymyr Zelenskyy talk at the "Walk of the Brave", during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. The "Walk of the Brave" name plates mark those who have helped in the struggle against the Russian invasion of Ukraine. (Ukrainian Presidential Press Office via AP) US President Joe Biden, centre right, and Ukrainian President Volodymyr Zelenskyy talk at the "Walk of the Brave", during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. The "Walk of the Brave" name plates mark those who have helped in the struggle against the Russian invasion of Ukraine. (Ukrainian Presidential Press Office via AP) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, right, and Ukrainian President Volodymyr Zelenskyy talk at the "Walk of the Brave", during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. The "Walk of the Brave" name plates mark those who have helped in the struggle against the Russian invasion of Ukraine. (Ukrainian Presidential Press Office via AP) US President Joe Biden, centre right, and Ukrainian President Volodymyr Zelenskyy talk at the "Walk of the Brave", during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. The "Walk of the Brave" name plates mark those who have helped in the struggle against the Russian invasion of Ukraine. (Ukrainian Presidential Press Office via AP) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, right, and Ukrainian President Volodymyr Zelenskyy talk at the "Walk of the Brave", during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. The "Walk of the Brave" name plates mark those who have helped in the struggle against the Russian invasion of Ukraine. (Ukrainian Presidential Press Office via AP) US President Joe Biden, centre right, and Ukrainian President Volodymyr Zelenskyy talk at the "Walk of the Brave", during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. The "Walk of the Brave" name plates mark those who have helped in the struggle against the Russian invasion of Ukraine. (Ukrainian Presidential Press Office via AP) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, right, and Ukrainian President Volodymyr Zelenskyy talk at the "Walk of the Brave", during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. The "Walk of the Brave" name plates mark those who have helped in the struggle against the Russian invasion of Ukraine. (Ukrainian Presidential Press Office via AP) US President Joe Biden, centre right, and Ukrainian President Volodymyr Zelenskyy talk at the "Walk of the Brave", during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. The "Walk of the Brave" name plates mark those who have helped in the struggle against the Russian invasion of Ukraine. (Ukrainian Presidential Press Office via AP) US President Joe Biden, left, delivers a statement as Ukrainian President Volodymyr Zelenskyy listens to him at Mariinsky Palace during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, right, and Ukrainian President Volodymyr Zelenskyy talk at the "Walk of the Brave", during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. The "Walk of the Brave" name plates mark those who have helped in the struggle against the Russian invasion of Ukraine. (Ukrainian Presidential Press Office via AP) US President Joe Biden, centre right, and Ukrainian President Volodymyr Zelenskyy talk at the "Walk of the Brave", during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. The "Walk of the Brave" name plates mark those who have helped in the struggle against the Russian invasion of Ukraine. (Ukrainian Presidential Press Office via AP) President Joe Biden speaks as he delivers a statement with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral during an unannounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci) President Joe Biden walks with Ukrainian President Volodymyr Zelenskyy at St. Michaels Golden-Domed Cathedral on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, right, and Ukrainian President Volodymyr Zelenskyy talk at the "Walk of the Brave", during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. The "Walk of the Brave" name plates mark those who have helped in the struggle against the Russian invasion of Ukraine. (Ukrainian Presidential Press Office via AP) US President Joe Biden, centre right, and Ukrainian President Volodymyr Zelenskyy talk at the "Walk of the Brave", during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. The "Walk of the Brave" name plates mark those who have helped in the struggle against the Russian invasion of Ukraine. (Ukrainian Presidential Press Office via AP) President Joe Biden speaks as he delivers a statement with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden speaks as he delivers a statement with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, center, meets with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, center, meets with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden speaks as he delivers a statement with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ Evan Vucci) US President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy, centre, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, poses with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, left, shakes hands with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, center, meets with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) US President Joe Biden, center, meets with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ POOL/ Evan Vucci) President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace on an unnanounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace on an unnanounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. (AP Photo/ POOL/ Evan Vucci) President Joe Biden, right, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace on an unnanounced visit, in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) In this image from video provided by the Ukrainian Presidential Press Office and posted on Facebook, on Monday, Feb. 20, 2023, Ukrainian President Volodymyr Zelenskyy, right, and U.S. President Joe Biden shake hands during their meeting in Kyiv, Ukraine. (Ukrainian Presidential Press Office via AP) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden, center, meets with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace on a surprise visit, Monday, Feb. 20, 2023, in Kyiv. On the left is President's wife Olena Zelenskyy. (AP Photo/ POOL/ Evan Vucci) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden, left, meets with Ukrainian President Volodymyr Zelenskyy at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden, center, meets with Ukrainian President Volodymyr Zelenskyy, right, and with Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden, center, shakes hands with Ukrainian President Volodymyr Zelenskyy, right, as they pose with Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden, center, poses with Ukrainian President Volodymyr Zelenskyy, right, and Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool) President Joe Biden, center, shakes hands with Ukrainian President Volodymyr Zelenskyy, right, as they pose with Olena Zelenska, left, spouse of President Zelenskyy, at Mariinsky Palace during an unannounced visit in Kyiv, Ukraine, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci, Pool)
Biden in Kyiv to show solidarity as Ukraine war nears 1 year