DNC Chairman Tom Perez joins @maddow to discuss his call for the Iowa Democratic Party to "immediately begin a recanvass" after the #IowaCaucuses
DNC Chair Tom Perez discusses call to recanvass Iowa Caucus vote.
Tom Perez: "When you look at all of the turnout, the successes, we've had over 3 years, I'm certainly not going to sit here after one caucus and say, 'There's a problem, Houston'"