 President Donald J. Trump and J.D. Vance as the Republican nominees for president and vice president of the United States. The nominees formally announced at the GOP National Convention. Mr. Trump made an unannounced appearance with a bandage on his ear after Saturday's assassination attempt. Vance, a 39-year-old senator from Ohio, found out just 20 minutes before he'd been chosen as a running mate. UVA political analyst Larry Sabato.