W ASHINGTON—Centrist Sen. Thom Tillis (R., N.C.) said he won’t seek re-election in 2026, less than 24 hours after he voted against a motion to advance President Trump’s tax and spending megabill, drawing public backlash from the president.

Jeff Flake. Bob Corker. Mitt Romney. And now, Sen. Thom Tillis of North Carolina. The roll call of Republican senators who have called it quits rather than endure a political career sideways with President Donald Trump is long and apparently,

Tillis, who is up for re-election next year in battleground North Carolina, voted against advancing a bill for Trump's domestic policy agenda Saturday evening.