In tight race, new polls show Biden on top in Iowa, New HampshireTwo opinion polls from the states holding the first presidential nominating contests brought good news on Monday for former Vice President Joe Biden in his bid to be the 2020 Democratic nominee. Surveys of voters in Iowa and New Hampshire showed Biden atop a clustered Democratic field. A poll by Monmouth University of likely Iowa caucus-goers showed Biden with 24 percent of the vote, 6 points ahead of U.S. Senator Bernie Sanders.