de-nuclearization. is that plabls plausible you can get a complete de-nuclearization before it is discussed? >> north korea said they want to build trust with the u.s. first. so if the u.s. is now saying that there is no step-by-step approach, we are seeing an incompatibility between the two sides. >> that can be difficult to overcome. >> let's look at these exercises with north korea. i know you were not happy when the president called those off. again it was supposed to be full eagle. now these are the small ba at that time battalion -- battalion, would those be seen as provocative? they saw them as provocative and antagonizing when they happen, but there should be a greater response the u.s. should respect from returning to those and should the u.s. return to those exercises that the president