Joe Biden won 3 of every 4 mail ballots in Pennsylvania. Trump won 2 of 3 votes cast in person. What does that mean for the future?

Pennsylvanians were deeply divided this election. And it wasn’t just whom they voted for ― it was in how they cast their votes.Most votes for president-elect Joe Biden were cast by mail in Pennsylvania.Most votes for President Donald Trump were cast in person on Election Day. Where do Republicans and Democrats go from here?