2014/08/11 Headlines: U.S. Launches Iraq Strikes as Obama Hints at Lengthy Bombing Campaign; Kurdish Forces Retake Towns, Thousands of Yazidis Escape into Syria; Obama: U.S. Intervening to Protect American Personnel; U.S. Signals Discontent as Maliki Challenges President, Deploys Forces; Hillary Clinton Criticizes Obama "Failure" on Syria; Second 72-Hour Ceasefire Takes Effect After New Israeli Strikes on Gaza; Palestinian Toll Nears 2,000, Including 456 Children; Israeli Forces Kill Palestinian Boy, 11, in West Bank; Tens of Thousands Rally Worldwide in Day of Action for Gaza; Ukrainian Forces Step Up Attacks on Rebels in Donestk; Egypt Denies Entry to Human Rights Watch Exec Director; Protests Follow Fatal Police Shooting of Unarmed Black Teen in Missouri