Reading The North Korean Tea Leaves

North Korea has stepped up missile tests in recent months as part of a 
strategy to demonstrate its growing strength and remain on the agenda 
of powers such as China and the U.S. Above is an image distributed by
the North Korean government of a test-launch of the Hwasong-8 missile,
which Pyongyang said was equipped with a hypersonic glide vehicle.

North Korea, officially the Democratic People’s Republic of Korea (DPRK), has posed a challenge for analysts for decades. The closed,...