I think as we did in that case, we need to start handling these matters in a more covert, clever, and devastating manner. Industrial/military espionage and sabatoge is the way to go. NK wants nuclear abilities? Time to give them what they want......Software tinkering, valve bypassing, out of spec specialty machining and metals, and thousands of tricks that will create their own Chernobyl. NK is procuring all their stuff from cooperating countries. It's time we also cooperated.
What explosion???