Crush of mail-in ballots slows tally in four battleground states

Four key battleground states — Pennsylvania, Nevada, Michigan and Georgia — began Wednesday with tens of thousands of absentee ballots uncounted, leaving the White House race between President Donald Trump and former Vice President Joe Biden up in the air.

Four key battleground states — Pennsylvania, Nevada, Michigan and Georgia — began Wednesday with tens of thousands of absentee ballots uncounted, leaving the White House race between President Donald Trump and former Vice President Joe Biden up in the air.