Professor Lee raises, if ever so briefly, the standards of a newspaper that is simultaneously America’s most prestigious, and in terms of its North Korea coverage, easily its worst. But a nuclear North Korea is unlike a nuclear China or Russia. During the Cold War, neither Beijing nor Moscow faced an existential threat in the form of an alternate Chinese or Russian state. Pyongyang, on the other hand, has had to live with a far more prosperous and legitimate Korean...

Since North Korea’s sixth* nuclear test, I’ve already read several analyses concluding that North Korea now has the bomb for good, and that we might as well give up on denuclearization — as if Pyongyang’s acquisition of a nuclear arsenal ends with us all living happily ever after together. You can only believe that if you either haven’t read much North Korean propaganda — or choose to ignore it, just as much of Europe ignored the words Hitler wrote in Mein...