The U.S. Senate’s rejection of the Comprehensive Test Ban Treaty (CTBT) last month is not likely to result in the immediate resumption of nuclear weapons tests, either by the U.S. or by anyone else. While the Senate vote has effectively killed any hope for immediate ratification of the CTBT by other significant treaty hold-outs, none has indicated an intention to resume testing. Most, like China, have elected to seize the moral high road, contrasting their continued commitment to the cause of nuclear disarmament with America’s “do as I say, not as I do” approach to foreign policy