U.S. foreign policy is largely directed by presidents, but Congress does have considerable influence, as this CFR Backgrounder explains.

A profile of the international terrorist network that the United States has singled out as the most serious threat to U.S. security.

This publication is now archived. Is Pakistan an effective ally of the United States? Yes and no, experts say. President Pervez Musharraf accommodated U.S. requests for assistance after 9/11, e…

Secretary of State Hillary Clinton, a senator and former First Lady, has offered a tough pragmatism on national security matters and called for reviving U.S. credibility in the world.