it started when they told their south korean colleagues, yeah, it s okay. we ll meet even if you have military exercises. that s okay. one concession. then, yes, willing to talk about nuclear denuclearization. second concession, and third, freeze all missile tests for the foreseeable future, and then they ve released detainees. what does that tell me? there s a big debate in washington whether the north koreans are serious or not, whether it s game to try to undermine sanctions. frankly, we don t know the answer. what we can say, though, with a lot of evidence that i ve mentioned is that the north koreans are serious about the meeting. they want this summit to go well. they have done a lot to prepare for it, as have the south koreans, and they ve done a lot to try to put the trump administration, i would say in a good mood or in a good frame heading towards these negotiations. well to that point, listen to what the president said last