Republican U.S. Senate Candidate Tim Sheehy speaks to supporters during an event at the Northern Hotel, Wednesday, Sept. 4, 2024, in Billings, Mont. (AP Photo/Matthew Brown)
U.S. Sen. Jon Tester, D-Mont., speaks about reproductive freedom at a campaign rally with his supporters, Thursday, Sept. 5, 2024, in Bozeman, Mont. (AP Photo/Matthew Brown)
Tim Sheehy prepares to debate U.S. Sen. Jon Tester on campus at the University of Montana in Missoula, Mont., Monday, Sept. 30, 2024. (Ben Allan Smith/The Missoulian via AP)
Tim Sheehy, left, prepares to debate U.S. Sen. Jon Tester, right, on campus at the University of Montana in Missoula, Mont., Monday, Sept. 30, 2024. (Ben Allan Smith/The Missoulian via AP)
U.S. Sen. Jon Tester prepares to debate GOP challenger Tim Sheehy on campus at the University of Montana in Missoula, Mont., Monday, Sept. 30, 2024. (Ben Allan Smith/The Missoulian via AP)
Tim Sheehy prepares to debate U.S. Sen. Jon Tester on campus at the University of Montana in Missoula, Mont., Monday, Sept. 30, 2024. (Ben Allan Smith/The Missoulian via AP)