What would constitute an effective deal on denuclearization and peace with North Korea?

The global nuclear nonproliferation system has always relied on responsible leadership from the United States and other global powers.

The treaty has, to a good extent, achieved its objectives. Very few states have remained outside the treaty and have gone on to develop nuclear weapons.

With U.S.-Russia relations at the lowest point since the end of the Cold War, arms control efforts are even more vital to contain nuclear risks.