FILE - This pair of 2020 file photos shows incumbent Republican U.S. Sen. Susan Collins, left, and Maine Democrat House Speaker, right, candidates for U.S. Senate in the Nov. 3 election. (AP Photos, File)
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FILE - This pair of 2020 file photos shows incumbent Republican U.S. Sen. Susan Collins, left, and Maine Democrat House Speaker, right, candidates for U.S. Senate in the Nov. 3 election. (AP Photos, File)
