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.
The Daily Yomiuri continued to follow the government's moves to investigate the accident with a story about how Japan's Science and Technology Agency plans to exactly re-create the nuclear fission chain reactions that occurred at the plant--presumably under safer conditions.