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.
Wolf Blitzer talks to White House Press Secretary Josh Earnest reacts to the House vote to arm Syrian rebels in the fight against ISIS.
Some officials say so-called 'lone wolves' are a more immediate threat to the U.S. than ISIS. Pamela Brown reports.
President Obama visited the U.S. Central Command, which is planning the current airstrike campaign in Iraq.
Brian Todd reports on a new, stylized propaganda video released by ISIS that appears to threaten the U.S.
Brian Todd looks at how ISIS is stepping up recruitment and propaganda efforts by debuting a new online magazine.
Barbara Starr reports that the U.S. has begun conducting its first offensive airstrikes southwest of Baghdad.
Testifying before Congress, Gen. Martin Dempsey didn't rule out sending U.S. military advisers in Iraq closer to combat.
Brian Todd examines clues in the video of David Haines' execution. Do British authorities know who the executioner is?
Pamela Brown reports that a suspect in a string of killings might have been motivated by strong anti-U.S. sentiments.