Biden to rally allies as Ukraine war gets more complicated


              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden stands with children after delivering a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              People use their cellphones as President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden stands with children after delivering a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              People use their cellphones as President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, at the Royal Castle Gardens, Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden stands with children after delivering a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              People use their cellphones as President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, at the Royal Castle Gardens, Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden stands with children after delivering a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              People use their cellphones as President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, at the Royal Castle Gardens, Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden holds a speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Poland, Tuesday, Feb. 21, 2023. (AP Photo/Michal Dyjuk)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden to arrives to deliver a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. (AP Photo/Alastair Grant)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden stands with children after delivering a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. (AP Photo/Alastair Grant)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden stands with children after delivering a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. (AP Photo/Alastair Grant)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden stands with children after delivering a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. (AP Photo/Alastair Grant)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden stands with children after delivering a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. (AP Photo/Alastair Grant)
            
              President Joe Biden poses with children after his speech at the Royal Castle after meeting with Polish President Andrzej Duda in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. (AP Photo/Alastair Grant)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden stands with children after delivering a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden stands with children after delivering a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden delivers a speech marking the one-year anniversary of the Russian invasion of Ukraine, Tuesday, Feb. 21, 2023, at the Royal Castle Gardens in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, right, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              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)
            
              Polish President Andrzej Duda, right, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, right, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              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)
            
              Polish President Andrzej Duda, right, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, right, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              Polish President Andrzej Duda, right, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              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 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)
            
              Polish President Andrzej Duda, right, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              Polish President Andrzej Duda, right, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              Polish President Andrzej Duda, right, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              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)
            
              Polish President Andrzej Duda, right, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              Polish President Andrzej Duda, left, welcomes President Joe Biden at the Presidential Palace in Warsaw, Ukraine, Tuesday, Feb. 21, 2023. Biden is visiting Poland a day after an unannounced visit to Kyiv to meet President Volodymyr Zelenskyy, that comes days before the first anniversary of Russia's invasion of Ukraine. (AP Photo/Czarek Sokolowski)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              President Joe Biden, left, and Polish President Andrzej Duda, right, meet Tuesday, Feb. 21, 2023, in Warsaw. (AP Photo/ Evan Vucci)
            
              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 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 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 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 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)
            
              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)
            
              President Joe Biden, left, participates in a wreath-laying ceremony with Ukrainian President Volodymyr Zelenskyy at the memorial wall outside of 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 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)
            
              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 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 arrives at a military airport in Warsaw, Poland, Monday, Feb. 20, 2023. (AP Photo/Evan Vucci)
            
              President Joe Biden exits Air Force One as he arrives at a military airport in Warsaw, Poland, 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)
            
              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)
Biden to rally allies as Ukraine war gets more complicated