The Russian and Chinese veto of a UN Security Council resolution calling for an end to violence in Syria calls into question the viability of the Responsibility to Protect doctrine and poses a dilemm…

A top New York City police official and author of a new book on al-Qaeda, Mitchell Silber, discusses with CFR’s Ed Husain the persistent threat of a homegrown U.S. radical mounting a terrorist attack.

In a March 2012 meeting, President Obama’s nominee for defense secretary explains how the United States is transforming its military and defense strategy in the face of funding cutbacks.