Stop the war. Enforce sanctions.
If Kim Jong-un’s strategy is what I think it is, it involves provoking a series of escalating security crises, with a plan to “de-escalate” each one through talks, or ideally, though an extended-yet-inconclusive “peace treaty” negotiation, in exchange for a series of pre-planned concessions that would amount to a slow-motion surrender of South Korea. I say “escalating” because Pyongyang’s provocations have escalated in recent years, and because it’s a sure bet they’ll escalate even more after Pyongyang has an effective nuclear arsenal....