Both Republican candidate Mitt Romney and President Obama have had to make tough and at times controversial decisions with regard to homeland security and counterterrorism.

A decade after 9/11, U.S. Muslims grapple with their place in American society in the face of concerns about homegrown terrorism and questions by non-Muslims over the threat they might pose.

Violent acts by homegrown militant extremists in the U.S. have declined, but "lone wolf" attacks are on the rise. The post-9/11 legal and political landscape poses new challenges to law enforcement a…

April’s G-20 summit has been billed as a forum for producing a "global New Deal." Experts say policymakers should focus on stopping financial turmoil before tackling long-term regulatory reforms.

Public disapproval of the Iraq war is starting to create fissures among Republicans and posing challenges for Democrats seeking to balance national security and political gains .