Democratic Sen. Kyrsten Sinema switches to independent


              FILE - Sen. Kyrsten Sinema, D-Ariz., speaks during a Senate Homeland Security and Governmental Affairs committee hearing to examine social media's impact on homeland security, Sept. 14, 2022, on Capitol Hill in Washington. Sinema announced Friday, Dec. 9, that she now has registered as an independent, but she does not plan to caucus with Republicans, ensuring Democrats will retain their narrow voting majority in the Senate. (AP Photo/Alex Brandon, File)
            
              FILE - Sen. Kyrsten Sinema, D-Ariz., flanked by Sen. Tammy Baldwin, D-Wis., left, and Sen. Susan Collins, R-Maine, speaks to reporters following Senate passage of the Respect for Marriage Act, at the Capitol in Washington, Nov. 29, 2022. Sinema announced Friday, Dec. 9, that she now has registered as an independent, but she does not plan to caucus with Republicans, ensuring Democrats will retain their narrow voting majority in the Senate. (AP Photo/J. Scott Applewhite, File)
Democratic Sen. Kyrsten Sinema switches to independent