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Robert McNamara

A tantalizing archival discovery suggests the perils of historical evidence.

A former Department of Defense adviser—one of Robert S. McNamara’s Whiz Kids—explains why we tend to overestimate Russian strength, and why we underestimate what it will cost to defend ourselves.

Twenty years ago, Alain C. Enthoven was one of America’s most controversial intellectuals in the field of military affairs. He had gone to the Pentagon in 1961 to act as a civilian adviser to Secretary of Defense Robert McNamara.

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