Sanders wins; Buttigieg, Klobuchar gain momentum
Senator Bernie Sanders is one step closer to taking on President Trump in November after winning nearly 26% of the primary vote in New Hampshire yesterday. Moderates Pete Buttigieg and Senator Amy Klobuchar finished second and third. CBS News political correspondent Ed O'Keefe and CBSN political reporter Caitlin Huey-Burns join CBSN from Manchester with the latest.