Troy Jackson, Democratic candidate for U.S. Senate, listens to a speaker at the Southern Maine Labor Council breakfast, Monday, Sept. 7, 2026, in South Portland, Maine. (AP Photo/Robert F. Bukaty)

FILE - Sen. Susan Collins, R-Maine, a member of the Senate Intelligence Committee, arrives at the Capitol in Washington on June 17, 2026. (AP Photo/J. Scott Applewhite, File)

Troy Jackson, Democratic candidate for U.S. Senate, listens to a supporter at the Southern Maine Labor Council breakfast, Monday, Sept. 7, 2026, in South Portland, Maine. (AP Photo/Robert F. Bukaty)

President Donald Trump, center right, first lady Melania Trump, right, China's President Xi Jinping, center left, and his wife Peng Liyuan arrive at the National Archives Museum, Friday, Sept. 25, 2026, in Washington. (AP Photo/Julia Demaree Nikhinson)

President Donald Trump, center right, and first lady Melania Trump, right, pose as they greet China's President Xi Jinping, center left, and his wife Peng Liyuan, as they arrive at the South Portico of the White House for tea, Friday, Sept. 25, 2026, in Washington. (AP Photo/Jacquelyn Martin)

President Donald Trump, first lady Melania Trump, China's President Xi Jinping and his wife Peng Liyuan, with Bradford Wilson, Archivist of the United States, view the Constitution, Bill of Rights and other documents at the National Archives, Friday, Sept. 25, 2026, in Washington. (AP Photo/Alex Brandon)

FILE - U.S. Sen. Dan Sullivan, R-Alaska, speaks at a get out the vote event held at farm in Palmer, Alaska, on Aug. 17, 2026. (AP Photo/Mark Thiessen, File)

FILE - Mary Peltola, a Democrat running for the U.S. Senate seat in Alaska, addresses supporters at an election watch party on Aug. 18, 2026, in Anchorage, Alaska. (AP Photo/Mark Thiessen, File)