Democratic Presidential Candidate Joe Biden Begins Campaign Bus Tour Through Iowa

COUNCIL BLUFFS, IA - NOVEMBER 30: Democratic presidential candidate, former Vice President Joe Biden bites the finger of his wife Jill Biden as she introduces him during a campaign event on November 30, 2019 in Council Bluffs, Iowa. Biden, who begins his eight-day bus tour across Iowa on Saturday, once lead the state in the polls but now trails presidential candidates Pete Buttigieg and Elizabeth Warren with just under 3 months until the 2020 Iowa Democratic caucuses. (Photo by Joshua Lott/Getty Images)