The 2001 law that authorized the U.S. war against al-Qaeda and its affiliates is not an appropriate justification for the offensive against ISIS and other emerging terrorist groups, says CFR’s John B…

Tighter Western sanctions against Russia for its actions in Ukraine may be necessary but could bring unwelcome consequences, explains CFR’s John Bellinger.

The vote by some Crimean citizens to join Russia violates Ukrainian and international law and could come back to haunt Moscow, its primary backer, says CFR’s John Bellinger.

Stricter gun laws and new civil society programs are needed to prevent the next mass shooting in the United States, says expert Karen Greenberg.

President Obama is right to balance U.S. national interests with democracy promotion in dealing with the Middle East, intervening in select cases and standing behind democracy advocates in others, sa…