Dem. Senator calls out Bernie Sanders to "disavow" Russian support

Democratic Senator Richard Blumenthal tells Ari Melber he would call on "any of the candidates” to “disavow” Russian meddling that may have helped their 2016 campaigns, including Bernie Sanders and Jill Stein, after 13 Russians and 3 Russian entities were indicted by Mueller’s Russia probe.Feb. 17, 2018