Swinging for the Fences: DNC's Pitch to Voters

On an action-packed episode of Battleground, we bring you the latest from a Night 2 of the Democratic National Convention. New polling shows a race too close to call, we'll analyze how Democrats are making their case to crucial swing state voters. Looking ahead, Kamala Harris faces the biggest speech of her political career. What does she need to do to win over undecided voters in key battlegrounds? Plus, we shine a light on gerrymandering in North Carolina.