How is North Korea Still Growing its Missile Program?

Guest: Shea Cotton, Research Associate, James Martin Center for Nonproliferation Studies, Middlebury Institute of International Studies at Monterey On the 4th of July, North Korea successfully tested a missile capable of hitting Alaska – which is a really big step for the nation’s weapons program and all the more worrisome considering North Korea also claims to be close to having a nuclear weapon it could strap to a long-range missile.  But, the world has known for literally decades that this was North Korea’s ambition. For decades, there have been efforts to try and limit North Korea’s access to weapons supplies and technology. Why haven’t they worked?