US election briefing: Polls show election tightening as Trump and Harris seek to shore up support The Guardian USHarris and Trump, locked in tight race, seek edge among undecided voters The Guardian USOctober 13, 2024, presidential campaign news CNN25 Days to Go Before the U.S. Election The New York TimesHarris, Trump seek to get ahead as polls show dead heat in race for White House The Times of Israel