US Out of Korea

By setting off a 100-kiloton bomb, after firing a missile over Japan, Kim Jong Un has gotten the world’s attention.

What else does he want?

Almost surely not war with America. For no matter what damage Kim could visit on U.S. troops and bases in South Korea, Okinawa and Guam, his country would be destroyed and the regime his grandfather built annihilated.

“The supreme art of war is to subdue the enemy without fighting,” wrote Sun Tzu. Kim likely has something like this in mind.

His nuclear an...