WASHINGTON, DC - AUGUST 7: (AFP OUT) U.S. President Barack Obama addresses the nation from the State Dining Room of the White House on August 7, 2014 in Washington, DC. Obama announced he has authorized military strikes against the Islamic State of Iraq and the Levant (ISIS) and a humanitarian aid drop. ISIS has been advancing on the important city of Erbil, Iraq and a civilian humanitarian crisis has developed.   (Photo by Mike Theiler-Pool/Getty Images)