Seeing Kim Yong Nam in PyeongChang is a bit like seeing a ghost. The nonagenarian figurehead of the North Korean regime and unlikely survivor of many a political purge, the unsmiling Kim has emerged as the public face of North Korea’s charm offensive. Heading a delegation of functionaries at the opening of the Olympic Games, Kim met with South Korean President Moon Jae-in, and the North Korean delegation extended an invitation for Moon to visit Pyongyang — as fortuitous an opportunity for dialogue as one might hope for under the circumstances.