 away in Milwaukee, where delegates have formally nominated Donald Trump to again be their presidential nominee. And Haya Panchwani reports. Trump chose Senator J.D. Vance of Ohio as his running mate, picking a one-time critic who became a loyal ally and is now the first millennial to join a major party ticket. Vance was elected to Senate in 2022, during which he landed Trump's coveted endorsement and rode it to victory in a crowded Republican primary. Here's Vance speaking to reporters in 2022 after his win.