Grima Grimaces News Today

Word. a facial decoder told cnns jeanne moos what to look for. >> reporter: sometimes the faces debate candidates make are debatable. who better to dissect then than the guy who wrote the book? actually, several books on facial decoding. dan hill has advice for the dems based on previous performance. >> glare and stare and full of grima grimaces. you have to come across as someones going to occupy the white house, not burn the place down. >> reporter: he points the finger at bernie sanders. oh, ...