south korea is really grasping at the olive branch that's been extended. they were very worried there would be a provocation during the olympics. when kim jong-un offered to have his team attend, south korea saw it as a great opportunity preventing provocation. >> president trump is touting the u.s. nuclear force and says the only way we'll get rid of ours is if other dcountries get rid of theirs. here he was. >> modernizing and creating a brand new nuclear force and frankly we have to do it because others are doing it. if they stop, we'll stop. but they are not stopping. if they're not going to stop we'll be so far ahead of everybody else and nuclear like you have never seen before. i hope they stop. if they do, we'll stop in two minutes. >> how do you think that message will sit with pyongyang? >> well, they'll see it as no indication that they are going to change their plan and continue building nuclear weapons.