 He declared a moratorium on missile testing. The missile testing stopped. He said, all right, I'll blow up the mountain where I do the nuclear tests. He detonated the areas in the bottom of this mountain where they test their nuclear weapons. So we did see improvements. It's going to be a very long game. We're talking about it's going to take decades. But I think we do have evidence, even from the Kim Jong-un era, that when there's really high-level, serious efforts...