MSNBC Live with Tamron Hall 01/19/16

Upping the ground game in Iowa

Holding four events in Iowa, Bernie Sanders hits the ground running ahead of the caucuses. According to the Des Moines Register, 14% of likely Democratic caucus-goers are still uncommitted. Associated Press Political Reporter Catherine Lucey joins Tamron Hall with the latest. ... more Duration: {{video.duration.momentjs}}