 Waiting until the first day of the Republican National Convention here in Wisconsin, the former president announced Vance as his vice presidential pick. He's a 39-year-old lawmaker who's relatively new to national politics. A one-time Trump critic, Vance is now a staunch champion of the Make America Great Again agenda. Trump said Vance will be strongly focused on workers and farmers, especially in the all-important states of Pennsylvania, Michigan, and Wisconsin.