The U.S. Senate's recent rejection of the Comprehensive Nuclear Test Ban Treaty (CTBT) was a huge disappointment to many Americans. The U.S.'s allies and friends responded to this vote with universal shock. I have been besieged by calls from around the globe. All express concern. Some commentators have used the vote to proclaim the death of arms control. But the obituaries are premature.
The CTBT and the larger challenge of reducing the dangers posed by nuclear weapons are far too important to abandon. So the Administration is determined to continue fighting for the treaty. Approval of the pact means the U.S....