great expectations. but not saying i'm going to do a deal for the sake of doing one. >> i think a nuclear-free peninsula would serve us well. and i don't think it would be good to signal anything other than that in advance of negotiations. arthel: there are critics of the president's process. >> they are on a par with each other. he got the global recognition and regard. he's the big winner. when he got this letter from the president saying never mind. he must be having a giggle fit right there now in north korea and pyongyang. >> the art of diplomacy is harder than the art of the deal.