Overview: 2012/04/06 Headlines: Refugees Flee as Syrian Crisis Deepens, Despite Peace Plan; Tuareg Rebels Declare Independence from Mali; Hersh: U.S. Trained Iranian "Terrorist" Group in Nevada; Greece: Police Fire Tear Gas as Protesters Blame Gov’t for Retiree’s Suicide; Radioactive Water Leaks from Japan’s Fukushima Plant; U.N. Commissioner Calls for Probe of Trayvon Martin Killing; Coke, Pepsi Leave Koch-Funded ALEC; CIA Whistleblower Charged Under Espionage Act; Murdoch’s Sky News Admits Hacking Emails; Tucson Mexican-American Studies Teacher Wins Award, Still Under Fire; New Orleans Saints Coach Told Players to Injure Opponents; Police Force Black Baseball Star to Present ID at Gunpoint in His Own Home; Pioneering African-American Journalist Gil Noble Dead at 80;$