On March 5, in the election for Texas’ 23rd Congressional District, the incumbent Rep. Tony Gonzales was forced into a runoff. Gonzales, whose majority-Hispanic district includes Uvalde, where 19 children and two adults died in a mass shooting at Robb Elementary School on May 24, 2022, ceded nearly 25 percent of the vote to an influencer known as the AK Guy. The 28-year-old, Brandon Herrera, celebrated by posting a video on his YouTube channel. “Ladies and gentlemen, we got ’em,” he said. Herrera, a man who makes his living from YouTube, now stands a chance of winning the Republican nomination...