On Wednesday, Zachary Cohen at CNN published a story drawing attention to a previously unpublicized facility in North Korea. Based on geospatial analysis work by Jeffrey Lewis, Catherine Dill, Dave Schmerler, and David LaBoon at the Center for Nonproliferation Studies, the article was the first publicization of a facility thought to be involved in the manufacture, or possibly storage, of nuclear warheads.

This author had a cameo in the story. Among other things in my newly-published book, “Kim Jong Un and the Bomb: Survival and Deterrence With North Korea,” I write that parts of the U.S