The death of Abu Musab al-Zarqawi, Iraq’s most wanted man, is an important event but one unlikely to affect the insurgency greatly.

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.

Experts point to a number of postwar models, from Bosnia to Vietnam to South Korea, for Iraq to follow once U.S. forces leave.

Controversies over too-big-to-fail financial institutions continue to mount. The Basel Accords represent the latest effort to ease risk and restore confidence, as this Backgrounder explains.

The reliance on unmanned drones to target terror suspects in Pakistan has been quietly lauded by U.S. officials. But the covert program, which has so far gotten little public scrutiny, is facing moun…