sanders has been steadily progressing upward in the polls. she's done nothing. nor has he done anything to flat line that number to create that space. it is tightening. it is going to make it harder for her, particularly now the fbi has gotten involved in this investigation. the numbers on her likability and trustworthiness are not moving in a positive direction. to make the case that others have been talking about her getting out there and being authentic, people don't see a her that way. i don't know how she turns that narrative around short of a clean slate, clean card on this investigation. >> quick break and then back with more on bernie sanders campaign. ♪ ♪ if you can't stand the heat, get off the test track. get the mercedes-benz you've been burning for