With air strikes now underway in two countries, Washington must pursue a sustained campaign against ISIS militants, with initial emphasis on routing them in Iraq, says expert Ryan Crocker.

Some of Obama’s budget proposals are sound policy, but congressional gridlock and faster economic reforms in China and Europe could jeopardize U.S. competitiveness, says Economist.com editor Ryan Ave…

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…

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…