US-North Korea Impasse Puts South Korea in a Bind

South Korean President Moon Jae-in has prioritized mending ties with North Korea. His high-stakes diplomacy is playing out on the sidelines of a US effort to get Pyongyang to give up its nuclear weapons. Moon’s effort has been marked by a historic meeting with North Korean leader Kim Jong-un and a rare, albeit brief, reunion of families divided by the war six decades ago. There are, however, limits to how far Moon can proceed absent progress in US-North Korean diplomacy.