Election 2020: Mail-in ballots and how to make sure your vote counts

David Thornburgh, of the Committee of Seventy and Eileen Olmsted of the League of Women Voters of Pennsylvania, join Tamala Edwards for a conversation about mail-in voting.

• Answers to Election Day, voting-by-mail questions stirred by Trump's tweets

What do you need to know? How soon do you apply? How can you ensure your vote counts?

Watch past episodes of the show at the Inside Story homepage.