Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
Wolf Blitzer talks to State Department Deputy Spokeswoman Marie Harf about ISIS' purported execution of Steven Sotloff, who defends the administration's strategy against ISIS and says the U.S. is looking for ways to "more aggressively take the fight to ISIS."
In a new video, ISIS claims to have murdered a second American and sends a chilling warning to President Obama. Is the U.S. safe from an attack by the brutal jihadist group? Rep. Michael McCaul, R-Texas, the House Homeland Security Chairman, weighs in.
ISIS has released a second video that shows the apparent beheading of American journalist Steven Sotloff, and now the U.S. intelligence community is working to confirm its authenticity - and discover whatever clues it can. CNN's Tom Foreman looks at audio and video forensics to compare this video to the one released two weeks ago.
Barbara Starr explores the possible reasons why CNN was granted rare interviews with American detainees in North Korea.