zone. the fact is that the north korean army is on the border. much of the south korean army is on the border. if that could happen -- that wouldn't happen immediately. over a period of time, that's another huge step in the right direction which starts to set the table for possibly -- i say possibly -- a potential positive outcome when president trump meets with him in june. >> julie: last week kim jong-un ordered that the test site be closed and he announced that ncaa no longer needed -- let's pay attention to that word, need ed -- to test nuclear weapons. is it good will or is the program so advanced that he doesn't need to test it anymore? >> i think i accept the chinese report that it collapsed as a result of his last test and it's likely contaminated and not usable. he's typically disingenuous with us. he doesn't tell us that's the reason.