President Donald Trump gestures during a campaign rally in Pendleton, S.C., on Oct. 21, 2026. Trump has been campaigning through deep red corners of the country that he won by overwhelming margins just two years ago, including South Carolina. (Doug Mills/The New York Times) By LISA LERER Democrats have a hefty advantage in national polls. President Donald Trump is playing defense, campaigning through deep-red corners of the country that he won by overwhelming margins just two years ago. And…
