Republican presidential nominee former President Donald Trump talks after speaking at a campaign rally in Bozeman, Mont., Friday, Aug. 9, 2024. (AP Photo/Rick Bowmer)

FILE - Sen. Jon Tester, D-Mont., leaves the chamber as the Senate prepares to advance the $95 billion aid package for Ukraine, Israel and Taiwan passed by the House, at the Capitol in Washington, Tuesday, April 23, 2024. (AP Photo/J. Scott Applewhite, File)

Susan Reneau, 72, of Missoula, Mont., arrives before Republican presidential nominee former President Donald Trump speaks at a campaign rally in Bozeman, Mont., Friday, Aug. 9, 2024. (AP Photo/Janie Osborne)

Former President Donald Trump's Boeing 757 arrives at the Billings Logan International Airport in Billings, Mont., on Friday afternoon, Aug. 9, 2024, enroute to Bozeman. (Larry Mayer/The Billings Gazette via AP)

People wait in line before a campaign rally for Republican presidential nominee former President Donald Trump, in Bozeman, Mont., Friday, Aug. 9, 2024. (AP Photo/Rick Bowmer)

Republican presidential nominee former President Donald Trump arrives to speak at a campaign rally in Bozeman, Mont., Friday, Aug. 9, 2024. (AP Photo/Rick Bowmer)

Members of former President Donald Trump's team disembark from his Boeing 757 after arriving at the Billings Logan International Airport in Billings, Mont., on Friday afternoon, Aug. 9, 2024, enroute to Bozeman. (Larry Mayer/The Billings Gazette via AP)

Republican Senate candidate Tim Sheehy shakes hands with Republican presidential nominee former President Donald Trump at a campaign rally in Bozeman, Mont., Friday, Aug. 9, 2024. (AP Photo/Janie Osborne)