Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-6:30pm ET on CNN.
CNN's Barbara Starr reports that U.S. officials are now worried that Libya is on the brink of civil war.
Drones and offensive writings aimed at President Obama emerge from North Korea. CNN's Elise Labott has more.
U.S. advisers arrives in Nigeria to aid in search for the kidnapped schoolgirls. CNN's Barbara Starr reports.
CNN's Barbara Starr looks at rising extremist groups, especially al Qaeda affiliates and Nigeria-based Boko Haram, that are taking over regions of Africa.
CNN's Barbara Starr talks about the possibility that North Korea might be planning another underground nuclear test.
CNN's Barbara Starr reports that the stream of threats out of al Qaeda in Yemen has increased in recent weeks.
News that broke in "The Situation Room": U.S. personnel helped Yemenis conduct a counter-terror operation, including helicopter missions and drone strikes, that may have killed al Qaeda's top bomb maker. CNN's Barbara Starr reports.
New video from al Qaeda affiliate al-Shabaab shows the terror group calling for recruits and more attacks - just months after they murdered dozens in a Kenyan mall. CNN's Barbara Starr reports.
CNN's Barbara Starr reports on a supposed meeting of scores of al Qaeda leaders, which was filmed and posted on YouTube, that may have somehow escaped U.S. officials at the CIA and Pentagon.