An investigation of the use of American force since the end of the Cold War.

Which policies have worked and which ones need work ten years after the worst terrorist attacks in U.S. history? CFR experts examine ten issues that have preoccupied U.S. planners.

The payoff of huge investments in security precautions mean better intelligence collection, surveillance, and other security infrastructure that combine to make the likelihood of an al-Qaeda attack today very slim.

Defense-spending cuts should be a big part of a deficit reduction deal, says CFR's Richard Betts, with the Pentagon pursuing a budget that reflects a reduced threat environment and limits the production of expensive, state-of-the-art equipment.

A number of prominent figures -- political scientists, public intellectuals, politicians, historians, journalists, policymakers -- recommend books that shed light on some aspect of the world ahead.

The bold visions of Francis Fukuyama, Samuel Huntington, and John Mearsheimer, however powerful, do not hold up as reliable predictors of particular developments.

Failures to stop the recent U.S. airliner bomb plot and the destruction of a CIA base in Afghanistan illustrate inherent problems in intelligence gathering, and al-Qaeda's impenetrability, says CFR's Richard K. Betts.

The United States now spends almost as much on defense in real dollars as it ever has before -- even though it has no plausible rationale for using most of its impressive military forces. Why? Because without political incentives for restraint, policymakers have lost the ability to think clearly about defense policy. Washington's new mantra should be "Half a trillion dollars is more than enough."

Richard K. Betts, a CFR expert on the intelligence community, says that he sees no reason that the nomination of General Michael V. Hayden to head the Central Intelligence Agency should be blocked by Congress because of his military background. But he says that "there's a powerful reason to consider opposing the nomination," citing Hayden's role in domestic wiretapping without proper warrants by his National Security Agency.

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