FREEPORT, N.Y. — A top House Democrat said this week that if the party wins the majority, its first priority in the next Congress will be election integrity — an issue that’s been front-and-center throughout a campaign in which former President Trump has floated baseless claims of voter fraud and laid the groundwork to challenge the results if he loses.
In a sit-down interview with The Hill on the campaign trail on Long Island, Rep. Katherine Clark (Mass.), the Democratic whip, laid...