2012/05/02 Headlines: May Day Protests Held Worldwide; Dozens Arrested in U.S.; Obama Pays Surprise Visit to Afghanistan; 11 Killed in Egypt Clashes; Chinese Activist Released from Hiding in Beijing; Watchdog Asks FCC to Revoke News Corp. Licenses in U.S.; Bolivia Nationalizes Spanish-Owned Electrical Firm; U.S. Citizen Convicted for Planning NYC Subway Bombing; 5 Cleveland Activists Arrested for Informant-Abetted Bombing Plot; Order Blocking De-funding of Planned Parenthood is Reversed; Gay Romney Spokesperson Forced to Resign; Exposé on Immigrant Children Among Recipients of Hillman Journalism Prize;$