In the early days and weeks after September 11, 2001, a small cadre of men (and a few women) with vast amounts of intelligence experience reported to the Langley, Virginia headquarters of the CIA. These unsung heroes were then dispatched across the globe to run operations against the Al-Qaeda conspirators who leveled the World Trade Center and struck the nerve center of the US military. The FBI, a domestic law enforcement agency, did not have the ability or skills needed to track down and strike the attackers overseas. The Pentagon, with F22s, nuclear aircraft carriers, intercontinental ballistic missiles, and battalions...