With no treaty in effect, nations could resume testing nukes at any time. This would cause a major arms race. The risk of nuclear terrorism or accidental launch make nuclear disarmament a very crucial goal for all nations. Japan wants to work with the United States on ending nuclear testing and building a world with no nukes.
President Obama would make the world a much safer place if he took U.S. land-based nuclear missiles off hair-trigger alert. He has called the policy a "dangerous relic of the Cold War," and a number of high-ranking military officers and government officials agree. So why hasn't Obama done anything about it?