 Maine Public was founded by the University of Maine System and Colby, Bates and Bowdoin Colleges. BBC News is next at nine o'clock. Welcome to NewsHour from the BBC World Service. I'm Rebecca Kesby. Today, J.D. Vance is named as Donald Trump's running mate. The senator from Ohio is a former Trump critic, but now one of his biggest cheerleaders. So what's he like? We'll hear from his former college roommate. He's very, very smart.