Members of the anti-war activist group CodePink interrupt a Senate Armed Services Committee hearing with Defense Secretary Chuck Hagel (left) and Gen. Martin Dempsey, chairman of the Joint Chiefs of Staff. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

French President Francois Hollande (right) and Iraqi President Fuad Masum attend the Conference for Peace and Security in Iraq at the Ministry of Foreign Affairs in Paris on Monday. The two leaders were among those urging quick action against Islamic State militants. David Silpa/UPI/Landov hide caption

itoggle caption David Silpa/UPI/Landov

A young Iraqi on Thursday stands amid the debris of a double car bomb attack in Baghdad. There was no immediate claim of responsibility. President Obama's plan to attack Islamic State militants in Iraq and Syria will require help from partners on the ground in both countries. Ahmad Al-Rubaye/AFP/Getty Images hide caption

itoggle caption Ahmad Al-Rubaye/AFP/Getty Images

President Obama addresses the nation from Cross Hall in the White House on Wednesday. Opening a new military front in the Middle East, Obama authorized U.S. airstrikes inside Syria for the first time, along with expanded strikes in Iraq as part of a broad mission to root out violent Islamic State militants. Saul Loeb/AP hide caption

itoggle caption Saul Loeb/AP

President Obama has been wary of open-ended military commitments in the Middle East. But the president, shown speaking in Estonia on Sept. 3, now appears likely to expand the current bombing campaign against the Islamic State. Saul Loeb/AFP/Getty Images hide caption

itoggle caption Saul Loeb/AFP/Getty Images

Secretary of State John Kerry arrives at Queen Alia International Airport in Amman, Jordan, on Wednesday, ahead of a stop in Iraq. Kerry is hoping to nail down support for a U.S. plan to combat the Islamic State insurgency in Iraq and Syria. Reuters/Landov hide caption

itoggle caption Reuters/Landov

A U.S. military plane lands Aug. 11 on the U.S. Navy aircraft carrier USS George H.W. Bush in the Persian Gulf. U.S. public support of airstrikes against Islamic militants jumped sharply, according to a new poll, as President Obama prepares a strategy. Hasan Jamali/AP hide caption

itoggle caption Hasan Jamali/AP

Smoke rises from the Beiji oil refinery during clashes between the Islamic State and Iraqi government forces in Beiji, northern Iraq, on July 30. The militants tried to take the refinery this summer, but government forces have held on. STR/EPA/Landov hide caption

itoggle caption STR/EPA/Landov

A car bomb exploded on Saadoun street in Baghdad on Thursday, killing seven people in a mainly Shia area of Iraq's capital, Voice of America reported. Though violence in the city hasn't reached the levels of 2006, residents worry sectarian conflicts may rise again. Hadi Mizban/AP hide caption

itoggle caption Hadi Mizban/AP

Displaced Iraqis from the Yazidi community settle under a bridge in central Dahuk, Aug. 14. Human rights activists say evidence of the Islamic State's violence against the Yazidis points to war crimes, and amounts to ethnic cleansing. Khalid Mohammed/AP hide caption

itoggle caption Khalid Mohammed/AP

American journalist Steven Sotloff (left) talks with Libyan rebels on the Al Dafniya front line on June 2, 2011, in Misrata, Libya. Sotloff was kidnapped in August 2013 near Aleppo, Syria. Etienne de Malglaive via Getty Images hide caption

itoggle caption Etienne de Malglaive via Getty Images

British Prime Minister David Cameron told the House of Commons on Monday that he wants to give police the power to seize the passports of Islamist fighters bound for Iraq and Syria. PA Photos /Landov hide caption

itoggle caption PA Photos /Landov