For most of the nuclearera, successive U.S. administrations of both political parties regarded periodic nuclear testing as essential to the maintenance of a safe, reliable and effective nuclear deterrent.
The Bush administration does not support the treaty, but the test moratorium and too many other Clinton-era nuclear weapon policies remain in effect, nonetheless.
He led a comprehensive review of our nuclear weapons stockpile stewardship program, enhanced the science and technology of environmental cleanup, and was the DOE special negotiator for Russia initiatives, focusing on disposal of Soviet-era nuclear materials.