Hardball with Chris Matthews 01/06/16

Sanders ratchets up attacks on Clinton

Hillary Clinton told Chris Matthews she's a progressive Democrat, but Senator Bernie Sanders says she can't be a progressive and a moderate. Bernie needs to win New Hampshire to stay alive, so he's out there accusing Clinton of flip-flopping. NBC News’ Kristen Welker, MSNBC’s Joy Reid and Howard Dean discuss. ... more Duration: {{video.duration.momentjs}}