look, they had to give up their entire nuclear program before the u.s. does anything. and who you were just after the summit. take a look. >> the complete and verifiable and irreversible denuclearization of the peninsula is the only outcome the united states will accept. chris: is that still the presidents position going into the summit, complete denuclearization and no u.s. concessions before them. >> is been no change in u.s. policy since the time i been secretary of state. frankly even before that when i was the cia director, objectives are clear, mission is clear, president trump also said this will take time. they may have to be another summit. we may not get everything done this week. we hope will make the