MSNBC Live with Tamron Hall 01/04/16

Donald Trump releases first TV ad

As he continues to lead in polls, Donald Trump aims to seal the deal with his first TV ad in New Hampshire and Iowa ahead of the caucuses. MSNBC Political Correspondent Steve Kornacki takes a deeper look at the new ad. Plus, NH1 Political Director Paul Steinhauser and Assistant Professor of Political Science at the University of New Hampshire Dante Scala weighs in. ... more Duration: {{video.duration.momentjs}}