ayat does this tell us? watch.showing the b roll. >> here's the interesting thing, and we are watching you have to realize, nonverbals, it's all about perception. it's not that he was submissive in this clip, it's that people will perceive that looking down as a child now being scolded, because mayor pete, what he was saying was quite aggressive. he looks down up out his mouth and starts shaking his head. that slight head negation. he came across as submissive even though it's not what he was intending to do. it's how we perceive it. >> laura: i think the winner still is joe's tomahawk chop at elizabeth warren. i mean, do you think he did that? maybe it was subconscious but it looks like the atlanta braves. he was angry. >> people do this for emphasis all the time, that is just one more extra point. >> laura: all right. fascinating. thank you so much.in we will be right back with a fabulous "last bite." back these folks don't have time to go to the post office they use stamps.com all the services of the post office