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.
Russia and the U.S. are investigating whether Doku Umarov - the terrorist often called Russia's "Osama bin Laden" - will make good on a threat to attack the Winter Olympics in Sochi. CNN's Brian Todd reports.
The Russian government is advising Sochi residents to be on the lookout for possible terror suspects at the Olympics as some U.S. politicians warn Americans to stay away from a Winter Games that they say will be dangerous. CNN's Jim Sciutto reports.
A new report by CNN National Security Analyst Peter Bergen says that the NSA's data collection program hasn't done anything to prevent another 9/11-like terror attack from happening. Bergen and the Foundation for Defense of Democracies president Cliff May sit down with Wolf Blitzer to debate the point.
While President Obama is making reforms to the NSA's data collection programs, a new report says the agency's collection hasn't done anything to prevent another 9/11-like terror attack. CNN's Brianna Keilar reports.
Nearly three years after Syria's civil war began, U.S. officials are growing concerned that al Qaeda is using that country as a base to recruit and train Americans to wage jihad in the West. CNN's Jim Sciutto reports.
Newly intercepted messages from senior al Qaeda operatives are renewing concerns for terrorist attacks in the Middle East and overseas in 2014. CNN's Barbara Starr reports.
Suicide bombings targeting the Iranian embassy in Beirut killed 23 people and draw Lebanon deeper into neighboring Syria's civil war. CNN's Mohammed Jamjoom reports on the growing fears of sectarian violence in Lebanon.
Attorney General Eric Holder tells CNN he is most afraid of a 'lone wolf' terror attack on the U.S.
Abu Anas al Libi was captured by Navy SEALs in Libya in early October, and this week, he was indicted in a New York City federal court for his alleged role in the 1998 embassy bombings. But there are new questions over whether or not al Libi was actually involved in the attack - and whether the U.S. got the right guy. CNN's Brian Todd reports.
CNN's Jim Sciutto reports on two new studies from human rights groups that slam the U.S. for its drone strikes that may be causing more harm than good in the war on terror.