 From ABC News, I'm Sherry Preston. The Republican National Convention resumes today in Milwaukee following Donald Trump's first appearance and announcement of a vice presidential pick. ABC's Jim Ryan is there with more. On day one of the RNC, the 2,500 delegates voted to formally name Donald Trump their presidential candidate and Ohio Senator J.D. Vance as his running mate. Wisconsin GOP Chair Brian Schimming says the topper was Trump's appearance in the convention hall.