As states roll out mail-in ballots, The Circus takes a look at the controversy surrounding mail-in voting and its effects on the 2020 election. Despite no widespread evidence of voter fraud, what safeguards are in place to ensure the security of people's votes? The hosts speak with a Colorado election clerk and the Philadelphia Postal Service Union President. As Trump continues to vocalize his distrust of vote by mail, Biden campaign manager Jen O'Malley Dillon joins John Heilemann to discuss how strategy is adapting to guarantee voter turnout.