If the United States' military posture was not so depleted at this point, I would say that it is time to seriously consider a conventional first strike.<p>Right now, North Korea cannot deliver a nuclear payload anywhere. It's one thing to create a nuclear test device, but it's another matter entirely to miniaturize it for delivery.<p>However, if allowed to progress unimpeded, North Korea will soon have missile technology that can reach Japan consistently. Around the same time, their miniaturization project will likely be complete. At that point, other nations will lose the option of intervention.<p>North Korea's government is simply... <i>unstable</i>, in both senses of the word. There is simply no other way to put it. The more closely one examines the country, the more disturbing the picture becomes.<p>They cannot be allowed to have a permanent nuclear deterrent.