Mohamed ElBaradei, the head of the International Atomic Energy Agency, wants a worldwide moratorium on enrichment of uranium and reprocessing of plutonium, the two fuels for nuclear weapons.

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The same is true of reprocessing: you can get plutonium out of used fuel.

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The material that went into Fat Man, the plutonium bomb detonated over Nagasaki, was made at Hanford, which at its peak consisted of nine nuclear reactors and five plutonium reprocessing plants.

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