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

This publication is now archived. When will the military tribunals for Guantanamo Bay detainees begin?It’s unclear. The United States on February 24 charged two suspects, Ibrahim Ahmed Mahmoud al-Qos…

Despite foot-dragging on climate change, the United States has a strong history of environmental legislation, which could provide models for future greenhouse gas reduction efforts.