Steve Kornacki shares the highlights from the show's "Now We Know" segments in 2013.
Best ‘Now We Know’ of the yearSteve Kornacki shares the highlights from the show's "Now We Know" segments in 2013.PrintDec. 29, 2013, 3:47 PM UTC / Source: MSNBC TVSteve Kornacki shares the highlights from the show's "Now We Know" segments in 2013.