Supreme Court hears mail-in ballot case that could impact the midterms

The Supreme Court heard a case that could reshape how millions of mail-in ballots are counted in this fall's elections. Some states count mail-in ballots that arrive after Election Day as long as they are postmarked by Election Day. The Republican National Committee is challenging that procedure. Ali Rogin discussed the case with Nate Persily, an election law scholar at Stanford University. PBS…