Jeffrey Lewis writes: No one wants to fight a nuclear war. Not in North Korea, not in South Korea and not in the United States. And yet leaders in all three countries know that such a war may yet come — if not by choice then by mistake. The world survived tense moments on the Korean Peninsula in 1969, 1994 and 2010. Each time, the parties walked to the edge of danger, peered into the abyss, then stepped back. But what if one of them stumbled, slipped over the edge and, grasping for life, dragged the others down into the darkness?

This is how that might happen, based on public statements, intelligence reports and blast-zone maps.

MARCH 2019: For years, North Korea had staged provocations — and South Korea had lived with them. The two had come close to war before: In 2010, a North Korean torpedo detonated just below a South Korean navy corvette, cutting the ship in two and sending 46 sailors to their deaths. Later that year, when North Korean artillery barraged a South Korean island and killed four more people, South Korean President Lee Myung-bak reportedly ordered aircraft to deliver a counter-strike deep inside North Korea, but the U.S. military held him back.

This time was different. No one thought President Moon Jae-in, a South Korean progressive known for his attempts to engage the North, would want blood. But nobody grasped how quickly accidental violence could take on its own urgent logic. [Continue reading…]