Most important number of the day: 270
04:35Steve Kornacki discusses why 270 - the magic number of electoral votes needed for a presidential candidate to win - is the number of the day for Friday, September 2nd, 2016.
Steve Kornacki discusses why 270 - the magic number of electoral votes needed for a presidential candidate to win - is the number of the day for Friday, September 2nd, 2016.
