President Barack Obama’s attorney general, Eric H. Holder Jr., has criticized some of the Bush administration’s counter-terrorism moves, calling for the closure of the Guantanamo Bay detention center…

This publication is now archived. IntroductionDefining a year just past is often a matter of perspective. Sometimes it’s self-evident: 1989 saw communism fall in Europe, 2001 saw terrorism arrive in …

The air travel system remains one of the most high-profile targets for terrorists. This backgrounder examines efforts to improve aviation security since the 9/11 attacks.

Retired Adm. Dennis C. Blair, President Obama’s director of national intelligence, is a former commander of the U.S. Pacific Command with long military experience.

To mark its fifth anniversary, Stephen E. Flynn, CFR’s leading national security expert, evaluates the general performance of the Office of Homeland Security.