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Testifying before Congress, Gen. Martin Dempsey didn't rule out sending U.S. military advisers in Iraq closer to combat.
CNN'S Jim Sciutto reports on which countries are joining the effort to battle ISIS and which ones are still hesitant.
After the President outlined his plan to cripple ISIS, some members of Congress say they disagree with the strategy.
The White House says it has identified ISIS targets in Syria, but not everyone is on board with the President's plan.
CNN's Wolf Blitzer talks with former White House Press Secretary Jay Carney about President Obama's ISIS strategy.
Secretary of State John Kerry speaks about the role of the U.S. in Iraq and building a coalition to defeat ISIS.
The United States' strategy to degrade and destroy ISIS may be taking shape. CNN's Barbara Starr reports.
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."
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.