Republican senatorial candidate Sam Brown prepares before a debate with Sen. Jacky Rosen, D-Nev., Thursday, Oct. 17, 2024, in Las Vegas. (AP Photo/John Locher)

Republican senatorial candidate Sam Brown stands in a tv studio before a debate with Sen. Jacky Rosen, D-Nev., Thursday, Oct. 17, 2024, in Las Vegas. (AP Photo/John Locher)

Sen. Jacky Rosen, D-Nev., prepares before a debate with Republican senatorial candidate Sam Brown, Thursday, Oct. 17, 2024, in Las Vegas. (AP Photo/John Locher)

Sen. Jacky Rosen, D-Nev., stands in a tv studio before a debate with Republican senatorial candidate Sam Brown, Thursday, Oct. 17, 2024, in Las Vegas. (AP Photo/John Locher)

FILE - Sen. Jacky Rosen, D-Nev., speaks to media after a Senate Democratic policy luncheon, Oct. 17, 2023, on Capitol Hill in Washington. (AP Photo/Stephanie Scarbrough, File)

FILE - Republican senatorial candidate Sam Brown speaks at an election night party, June 11, 2024, in Reno, Nev. (AP Photo/Tom R. Smedes, File)

Republican senatorial candidate Sam Brown, left, and Sen. Jacky Rosen, D-Nev., shake hands before a debate, Thursday, Oct. 17, 2024, in Las Vegas. (AP Photo/John Locher)

Republican senatorial candidate Sam Brown prepares before a debate with Sen. Jacky Rosen, D-Nev., Thursday, Oct. 17, 2024, in Las Vegas. (AP Photo/John Locher)