nobody wants war. the u.s. agrees to that. but what the u.s. wants is denuclearization of the peninsula. and that means that kim jong-un has to make am public statement, if you will. he has to give up his nuclear and missile weapons development program. and there is just simply no indication at this point that he is going to do that. and that leaves the u.s., leaves the trump white house in la difficult position, because there is no indication president trump plans to back off from his policy, which is denuclear ages of the peninsula. don. >> barbara star, thank you very much. let's bring in david cnn also news editor for the "new york times." >> good to see you. u.s. is saying they open up a dialogue with north korea and able to act as mediator.