this is a smart move by president moon to keep president trump moving in the right direction showing him he believes trump has what it takes to get this done. that's a smart maneuver. jon: we all like people to be nice to us. >> yes, we do. jon: joel, thank you. joining us from seoul, south korea, with john roberts. it's a little after 3:00 in the afternoon in south korea. a lot can come out of this historic meeting at the dmz and what it can mean for future u.s.-north korea relations. reporter: the president went to the observation post which is a few hundred yard away from the peace house. we have seen the famous pictures of the blue buildings where officials from north and south