Early voting has already begun in some states, and across the country, as many as 45 million people could cast their vote well before November 6th.
A lot of people find early voting more convenient, but one of the concerns with it is that you cast your ballot, and then something happens that changes your mind. In a tight race, could uncertainty sway people against it?
A Martinez looks into the psychology behind early voting, who does it, and which party benefits from it.
Chris Mann, professor of political science at the University of Miami