john roberts is live down in the palm beaches near the president's resort. john, today we've heard from the president that there's conditions under which this won't happen. >> well, yeah, there could be. he wants to make sure that any meeting that they have is going to bring results and that kim jong-un is just not playing games. you know, shep, when you look at how the ground has shifted over just the last few weeks, it really is quite remarkable. they have gone from the hurling insults at each other and calling each other names to the president saying there's the budding of a good relationship here, now respect between the two countries after mike pompeo traveled to pyongyang over easter weekend. the president said maximum pressure will be kept up. and the japanese prime minister said that north korea can't be