Only the lean and mean machine that is Wachtell Lipton has higher per-partner profits than Cravath, which counts IBM and CBS among its loyal clientele.

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"It's meant to be like a twin, " said Dave Bedwood, a partner at Lean Mean Fighting Machine.

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But the way we have done the design doesn't mean that it will work on somebody else's machine.

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Given that Ms Rice was said to have coveted his job running the world's largest military machine, her move to the State Department may mean that Mr Rumsfeld is staying, at least for the time being.

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