Go Ahead. Talk to Kim.

Donald Trump is the first sitting American president who has ever agreed to negotiate with the North Korean dictatorship. His predecessors were right to refuse, but Trump should go ahead anyway. Sit down. Talk to Kim Jong Un. (Just please don’t do it in his capital, Pyongyang.) As Winston Churchill put it, “Meeting jaw to jaw is better than war,” and we’ve been lurching toward war now for a while.

There’s plenty of skepticism and even outright opposition, of course. “While Americans (and Sout...