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Nature 447, 1041 (28 June 2007) | doi:10.1038/4471041a; Published online 27 June 2007

Plan for bomb design falters

Geoff Brumfiel

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Congress gets cold feet over next generation nuke.

Congress is losing its appetite for the Reliable Replacement Warhead (RRW), a nuclear bomb conceived as a way to allow weapons physicists to ply their trade in a weapons-ban world. Instead, Capitol Hill is calling for a full review of the US nuclear programme.