The CIA is notorious for its disastrous, damaging failures. In the 1950s, the CIA’s meddling in Iran politics led to the Iranian Revolution in 1979, creating a nation that is our implacable enemy. In the 1960s, the CIA carried out the embarrassing Bay of Pigs invasion in Cuba. In the 1980s, the CIA it was responsible for the Iran-Contra scandal that nearly wrecked Reagan’s presidency. In the 1980s, the CIA entirely missed the fact that the Soviet Union was collapsing. And in 2001 it was as surprised as anyone by the 9/11 attack. One would think that, with this track...