LESTER HOLT: And in terms of the number of options available publicly we know that there aren’t a lot of great options there, and a lot of it is trying to see into Kim Jong-un’s head and that’s I suspect that most difficult kind of intelligence trying to predict someone’s behavior.
COATS: Well, he’s demonstrated behavior publicly that really raises some questions about who he is and how he thinks and how he acts, what his behavior is, but our assessment has come — has pretty much resulted in the fact that while he’s a very unusual type of person, he’s not crazy. And there is some rationale backing his actions which are survival, survival for his regime, survival for his country, and he has watched I think what has happened around the world relative to nations that possess nuclear capabilities and the leverage they have and seen that having the nuclear card in your pocket results in a lot of deterrence capability. The lessons that we learned out of Libya giving up its nukes and Ukraine giving up its nukes is unfortunately if you had nukes, never give them up. If you don’t have them, get them, and we see a lot of nations now thinking about how do we get them and none more persistent than North Korea …
https://theintercept.com/2017/07/29/dan-coats-north-korea-nukes-nuclear-libya-regime-change/
It would do all Americans well to remember why North Koreans loathe and fear us so much (plenty-o-links in this one).