bernie sanders of being to president obama. >> it is a -- the kind of criticism that we've heard from senator sanders about our ect from republicans, i do not expect democratic nomination tot obama. >> that is -- madame secretary, that is a low blow. >> reporter: clinton hopingtum after a humiliating defeat in new hampshire, didn't let up. >> but those kinds of personal assessments and charges are ones i find particularly -- >> senator, one of us ran against barack obama. i was not that. >> >> it was a fiery end to a night where they hammered each other over health curity and the price tag to make it happen. meanwhile, the republicans are gearing up for their own campaign on the cruz campaign yanking this campaign ad. after reports that that woman adult films. donald trump with his smallest supporters. >> i won't use foul language. they're all saying, do it, do it, no, i'm mp raised eyebrows on thursday when he called the pope a, quote, very political person, citing hisns for the mexican border. also, he made jabs at jeb bush, saying he'll bring his brother on the trail with him. all a we might see when the republicans face off. >