>> imagine what would have happened if, god forbid, barack obama had been assassinated after becoming the de facto nominee? but would have happened in america? when bobby kennedy and dr. king had been assassinated in the '70s, late 70s. >> i've been here a number of times per last time was only bak in 2014. but i've been here before that. i love this place. look, what's not to like about vermont in terms of the beauty of it? and what a neat town. >> dagen: presidential candidate and vice president joe biden making waves with those blunders and help creating new questions about his candidacy. the former vp making that unusual comment about barack obama being assassinated. also last week saying that robert f. kennedy and martin luther king jr. were assassinated in the 1970s. not that '60s. plus, he talked about being in vermont when he was actually in new hampshire. bernie sanders' campaign cochair defending biden, but predicting