While the White House winds up its deal on the future of Iran’s nuclear program, angst abounds in U.S. national security circles. Contributing to the anxiety over how the Tehran regime will act in the future is knowledge of how the Pyongyang regime has acted in the past. For years, the North Korean government dabbled in deals and threats, stringing along the international community, until it became an established nuclear weapons power. Who is to say Iran isn’t playing the same game? In the end, the US could wind up with two nuclear headaches instead of one.