2020 presidential electionbernie sanderscontinents and regionselections (by type)elections and campaignselizabeth warrengovernment and public administr

Iowa Poll: Biden and Sanders stand out among likely caucusgoers

The field of Democrats seeking the party's nomination for president in 2020 is one of the largest the party has seen, but for Iowa's most likely caucus attendees, two names stand above the rest: former Vice President Joe Biden and Sen. Bernie Sanders of Vermont.