The commission to investigate the September 11, 2001, terrorist attacks on the United States issued its final report in July of 2004, in which it recommended a dramatic overhaul of the nation's intelligence system. Congress responded by hastily enacting the Intelligence Reform and Terrorism Prevention Act of 2004, which adopts many of the 9/11 commission's specific recommendations, though with a number of alterations. Richard A. Posner, in the first...