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…

Some GOP lawmakers have proposed legislation to eliminate birthright citizenship, but legal expert Margaret Stock says these proposals would create vast logistical and social problems and are unlikel…

WikiLeaks’ cables on North Korea’s missile sales to Iran have raised new concerns about the country’s proliferation activities. Expert Jeffrey Lewis says Pyongyang’s procurement networks pose the big…

The idea of nuclear disarmament is gaining traction internationally, but countries supporting it must counter the nuclear proliferation risk created by Iran and North Korea, and make sure disarmament…

NATO members preparing for a new "strategic concept" to be issued at the November summit will have to both hash out serious differences about how NATO forces should be deployed and determine how best…