Iraq

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Posters depicting ISIL ambition in Syria and Iraq are displayed as Secretary of Defense Chuck Hagel and the Chairman of the Joint Chiefs of Staff Martin Dempsey testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Secretary of Defense Chuck Hagel, pictured, and the Chairman of the Joint Chiefs of Staff Martin Dempsey testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Secretary of Defense Chuck Hagel and the Chairman of the Joint Chiefs of Staff Martin Dempsey arrive to testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Secretary of Defense Chuck Hagel and the Chairman of the Joint Chiefs of Staff Martin Dempsey arrive to testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Secretary of Defense Chuck Hagel, left, and the Chairman of the Joint Chiefs of Staff Martin Dempsey, center, speak with Chairman Carl Levin, right, before they testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Members of the protest group Code Pink hold anti-war signs as Secretary of Defense Chuck Hagel and the Chairman of the Joint Chiefs of Staff Martin Dempsey testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Secretary of Defense Chuck Hagel, right, and the Chairman of the Joint Chiefs of Staff Martin Dempsey, left, testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Secretary of Defense Chuck Hagel, right, and the Chairman of the Joint Chiefs of Staff Martin Dempsey, left, testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Members of the protest group Code Pink hold anti-war signs as Secretary of Defense Chuck Hagel and the Chairman of the Joint Chiefs of Staff Martin Dempsey testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Secretary of Defense Chuck Hagel, right, and the Chairman of the Joint Chiefs of Staff Martin Dempsey, left, testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Secretary of Defense Chuck Hagel, right, and the Chairman of the Joint Chiefs of Staff Martin Dempsey, left, testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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A member of Code Pink interrupts Secretary of Defense Chuck Hagel as he testifies along with Chairman of the Joint Chiefs of Staff Martin Dempsey concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Secretary of Defense Chuck Hagel, pictured, and the Chairman of the Joint Chiefs of Staff Martin Dempsey testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Secretary of Defense Chuck Hagel and the Chairman of the Joint Chiefs of Staff Martin Dempsey arrive to testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Secretary of Defense Chuck Hagel and the Chairman of the Joint Chiefs of Staff Martin Dempsey arrive to testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Secretary of Defense Chuck Hagel, left, and the Chairman of the Joint Chiefs of Staff Martin Dempsey testify concerning the Islamic State of Iraq and the Levant (ISIL) in front of the Senate Armed Services Committee on Capitol Hill, Washington, D.C., Tuesday, September 16, 2014. (Andrew Harnik/The Washington Times)

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Gen. Ray Odierno, Commanding General, Multi-National Forces-Iraq, and U.S. Army Lt. Col. Joseph McGee, Commander of 2-327 Infantry Battalion, 1st Brigade Combat Team, 101st Airborne Division, walk through the streets of Samarra to visit the locals, on Oct. 29, 2008. (U.S. Army) ** FILE **

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President Obama said Wednesday he had authorized U.S. airstrikes inside Syria for the first time, along with expanded strikes in Iraq, as part of "a steady, relentless effort" to root out Islamic State extremists. (AP Photo/Saul Loeb, Pool)

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A woman kisses her son outside the Mar Tshmony church in Erbil, Iraq, where 500 Christian families took refuge after an ISIS advance into Kurdish territory, mainly Qaraqosh, the “Christian capital of Iraq.” (Photo by Vianney Le Caer / Pacific Press/Sipa USA)

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In this image made through a window of the Oval Office, President Obama speaks on the phone to Saudi Arabia's King Abdullah from his desk at the White House ahead of his address to the nation tonight regarding Iraq and Islamic State group militants. (Associated Press)