The North Koreans celebrated Memorial Day by "carr[ying] out a powerful underground nuclear test Monday - much larger than one conducted in 2006 - a major provocation in the escalating international standoff over its rogue nuclear and missile programs. . . . Russia's Defense Ministry confirmed an atomic explosion at 9:54 a.m. (0054 GMT) in northeastern North Korea, estimating the blast's yield at 10 to 20 kilotons - comparable to the bombs that flattened Hiroshima and Nagasaki. "
Weeks ago, they tested intercontinental ballistic missiles, i.e., the delivery system.
Now we know what happens to rogue states which develop weapons of mass destruction . . . if they don't have oil, nothing.