Fmr. PA Gov. Ed Rendell: Biden will carry the Philly suburbs by 'at least 300,000 votes'

02:49

Former Democratic Pennsylvania Governor Ed Rendell joins Andrea Mitchell to discuss the state of the race in battleground Pennsylvania. Gov. Rendell predicts that Biden will outperform Clinton with key suburban voters, saying that "Overall in the suburbs, Hillary carried the four collar counties by 180,000 votes. I think Joe Biden will carry them by at least 300,000 votes."