If Your Mail-In Ballot Hasn't Arrived, Don't Stress: Provisional Ballots Are Your Plan B

If you are one of the many people who voted by mail this year, you may be stressing out if your local election officials haven't officially accepted your ballot yet. But don't worry, you have a Plan B to make sure your vote is counted. It's called a provisional ballot. NBCLX's Chase Cain explains how it works.