The Obama administration isn’t following Kim Jong-un’s money. Congress should ask why.
In February and March, respectively, the U.S. Congress and the U.N. Security Council responded to North Korea’s fourth nuclear test with sanctions that were, in theory, an order of magnitude stronger than any sanctions imposed on North Korea until then. Sanctions, of course, are only as good as their enforcement, and in enforcing sanctions against North Korea, the most important rule has always been “follow the money.” Money — along with the contradictions of its political system — has always...