Donald Trump’s running mate is Ohio Sen. J.D. Vance. Politico’s Ian Ward describes Vance’s transformation from a self-described hillbilly to the political face of the Republican future.This episode was produced by Amanda Lewellyn and Miles Bryan, edited by Miranda Kennedy and Matt Collette, fact-checked by Hady Mawajdeh and Peter Balonon-Rosen, engineered by Patrick Boyd and Andrea Kristinsdotter, and hosted by Noel King.Transcript at vox.com/today-explained-podcastSupport Today, Explained by becoming a Vox Member today: http://www.vox.com/membersLearn more about your ad choices. Visit podcastchoices.com/adchoices