MSNBC Live 02/04/16

How does Sanders prepare for a debate?

The latest polling out of New Hampshire shows Bernie Sanders leading Hillary Clinton, 58% to 36%, a four point increase for Clinton and three point decrease for Sanders. Senior Advisor to the Sander’s campaign, Tad Devine, joins MSNBC’s Chris Jansing to share Sanders’ pre-debate preparation strategies. ... more Duration: {{video.duration.momentjs}}