 Vance is a first-term senator who won his seat in 2022 with Trump's endorsement, but he didn't always see eye to eye with Trump. Once a fierce critic, he is now one of Trump's most vocal supporters in Congress. NPR's Giles Snyder reporting. U.S. futures contracts are trading lower at this hour. Dow futures down about one-tenth of a percent. NASDAQ futures are down 1.2 percent. You're listening to NPR News from Washington.