HENDERSON, Nev. — Adam Laxalt teed off on Sen. Catherine Cortez Masto, his Democratic opponent in Nevada's Senate race, at a campaign event here Wednesday, accusing her of failing to stand behind law enforcement in 2020 after a George Floyd protest turned violent. But after the event, Laxalt, a Republican who was once Nevada's top law enforcement official, refused to support the FBI. “The FBI is far too political right now, and we need to do something to take the polarization out of...