As North Korean leader Kim Jong-un pursues his country’s capacity to develop a stable nuclear weapons program, others in the region have expressed concern. And for good reason: a nuclear-armed North Korea has the potential to bring regional disaster if Kim ever decided to use a nuclear warhead against anyone else, like the U.S. In such a scenario, a war against Pyongyang brings unwanted danger near South Korea, Japan, China, and other countries in the region.