“The Task Force report, titled U.S. Nuclear Weapons Policy [uncorrected proofs], focuses on near-term policies to reduce nuclear weapons to the lowest possible level consistent with maintaining a credible deterrent, while also ensuring that the U.S. nuclear arsenal is safe, secure, and reliable for as long as it is needed. “The imperative before the Obama administration,” the report says, “is to use all available tools to prevent the use and further acquisition of nuclear weapons.”