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Group led by Stanford physicist says there's an urgent need for nuclear detectives

The first question asked after an atomic explosion in the US (or elsewhere) would be, "Who did this to us?" But the US ability to answer that question rapidly has faded since the end of the Cold War. A group head by Stanford's Michael May, a former director of the nuclear weapons laboratory in Livermore, Calif., says a rejuvenated nuclear forensics program is urgently needed.

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