 Republicans from across the country are gathering in Milwaukee for the party's convention this week. The party will nominate former President Donald Trump as its presidential nominee for a third straight time. And Trump has announced Senator J.D. Vance from Ohio as his running mate. NPR's Stephen Fowler joins us now from the convention with the latest. Hey there. Hey, Juana. Stephen, let's just start with the news if we can. Trump has named J.D. Vance as his running mate. Tell us more about him.