As we approach the 80th anniversary of the U.S. atomic bombings of Hiroshima and Nagasaki, the catastrophic risks posed by nuclear weapons are growing. As the U.N. secretary general warned in June: "We need to move back from the nuclear brink."All of the major nuclear weapon states are spending tens of billions of dollars modernizing their arsenals, some are recklessly threatening nuclear first use, and the regime designed to prevent the use, testing and proliferation of nuclear weapons is under stress. The last remaining agreement limiting the world's two largest arsenals, New START, will …READ FULL ARTICLE