A historic summit is scheduled to take place on June 12. Three participants—the two Koreas and the U.S.—were involved in effecting the rapprochement that has preceded it. And for once, China is playing catch-up. Here is how it came about
The new provocations from Pyongyang heighten the risk of a military showdown with the U.S., South Korea and Japan. China, the only power with sway over the regime, is exercising limited options for peace on the peninsula.