The Republican primary for Senate in Nevada is getting messy just days before former President Donald Trump is set to visit the state. The main contenders are Sam Brown, a former military officer, and Jeffrey Gunter, a former U.S. ambassador to Iceland.

While Brown had been seen as the front-runner after narrowly losing the Senate primary in 2022, Gunter’s recent momentum could shake things up. Unfortunately, Gunter is a crackpot whose nomination would likely sacrifice the GOP’s viability in the race.