Republican Rep. Tony Gonzales of Texas must continue to try to ward off a primary challenge from YouTuber and gun rights activist Brandon Herrera, after the two GOP candidates advanced to a May 26 run-off, as the embattled incumbent faces allegations that he had an affair with a staffer who later died by suicide. The Associated Press called the race, concluding neither of the frontrunners would reach 50%, at 1:23 a.m. ET, just after midnight in Texas, Wednesday. Gonzales and Herrera each