>> little surprise at the apparent warmth and the body language. is that something kim is used to culturally. >> probably not. not too manyorth korea do that. but the occasion called for it, i thought. and that's, you know, brief body language there, that is a good sign. >> anderson, to you. >> chris, here with christian amanpour and jim sciutto and ambassador yun. >> it was fascinating. and there was body language. obviously president trump didn't smile, at least not at the beginning. but kim jong-un did smile broadly as they were walking off and kim jong-un has had the old hug and arm tug when he was with