Ken Paxton, the attorney general of Texas, defeated Senator John Cornyn on Tuesday in the state’s Republican primary runoff for Senate, setting up a race against James Talarico, the Democratic nominee. Our national political correspondent Shane Goldmacher explains why Democrats may now have their best chance in years to flip the seat. Video by Shane Goldmacher, Nour Idriss, Nikolay Nikolov, June Kim and Rafaela Balster/The New York Times #kenpaxton #texas #democrats #election Read the story here: nyti.ms/4wVG2u1 Subscribe: bit.ly/U8Ys7n More from The New York Times Video: nytimes.com/video ---------- Whether it's reporting on conflicts abroad and political divisions at home, or covering the latest style trends and scientific developments, New York Times video journalists provide a revealing and unforgettable view of the world. It's all the news that's fit to watch.