North Korea is the most difficult and dangerous challenge facing the U.S. today. Pyongyang is on the path to developing a nuclear missile delivery system that could strike the United States. In fact, since 2013, the country has followed Kim Jong Un’s version of his grandfather’s “byungjin policy”, which stipulates that simultaneous nuclear expansion and economic development are necessary for the regime’s survival. North Korea shows no signs of abandoning its nuclear ambitions, which pose a mounting strategic threat to the Asia-Pacific region; the alternatives to a peaceful resolution are even more harrowing. Denuclearization of the Korean Peninsula will require all stakeholders in Northeast Asia—South Korea, Japan, the United States, and especially China—to cooperate on measures that could help precipitate North Korea’s return to the negotiating table.