the front end an easily reversed promises as opposed to getting concrete action from our adversary and then taking action into that process. >> chris: in the meantime, t president says that he i going to maintain his sanctions regime, although he's not going to call it maximum pressure anymore, but he did say that since the negotiations had started, china has eased up on some of its tight controls on activity across the border. it seems that south korea is anxious to begin trade with north korea and the question i have is has by normalizing things, appearing here, meeting with president moon of south korea, meeting with china, as kim jong un already succeeded to some degree in weakening the maximum pressure campaign? not necessarily by the united states, but by the rest of the world? >> no, i don't think he has. china has always displayed a double game when it comes to