 From ABC News, I'm Daria Albinger. The wait is over. Donald Trump is now the Republican Party's presidential nominee, and he's announced his choice of a running mate. ABC's Stephen Portnoy is at the convention in Milwaukee. 39-year-old James David Vance has been an outspoken advocate for Donald Trump since he began his run for the Senate in 2022. But it wasn't always that way. In 2016, after publishing his memoir, Hillbilly Elegy, Vance was a fierce Trump critic.