Sanders Campaign Manager: Superdelegates will 'make this election'

On Tuesday, April 26th, 2016, Yahoo News Chief Washington Correspondent Olivier Knox and National Political Columnist Matt Bai hosted a live show on the “Acela Primary.” They were joined by Bernie Sanders’ campaign manager Jeff Weaver who said Sanders planned to “make the case to the unpledged delegates” to try and “close the gap…in terms of the delegate math.”