If you've been following the news for the past couple of weeks you've no doubt seen lots of hand wringing about North Korea's missile tests. To summarize, they've popped off a couple of missiles that seem to have intercontinental capability, i.e., they could, in theory travel from North Korea to the vicinity of the United States or Canada and deliver their payload. The missiles in question keep landing in the ocean, which strongly suggests deliberate targeting to prove launch and control capability as well as making it more difficult for other countries to get hold of the hardware for …