Both major presidential candidates are making appearances meant to fire up their core supporters. Vice President Kamala Harris is participating in a livestream with Oprah Winfrey, who has endorsed Harris and spoke at the Democratic convention in August.

Despite no presidential endorsement from the International Brotherhood of Teamsters, Louisville's branch has gone public with an endorsement.

This is the first time since 1996 that the union, which has over 1.3 million members, hasn’t endorsed a political candidate.