Overview: 2013/05/28 Headlines: EU Ends Arms Embargo on Syria; McCain Visits Syrian Rebels; French Journalists Report Witnessing Syrian Chemical Attacks; More Than 50 Killed in Iraq Bombings; U.S. Marine Killed by Police After Shooting Spree; Report: Right-Wing Groups Probed by IRS Tested Limits on Political Activity; Cambodia: Workers Injured by Police During Wage Protest at Nike Factory; Killing of British Soldier Sparks Wave of Anti-Muslim Hate Crimes; French Soldier Stabbed While on Patrol; Afghanistan: 4 Killed in Taliban Attack on U.N.