2014/05/12 Headlines: Boko Haram Offers Prisoner Swap for Kidnapped Girls; Nigerian President: Girls Still in Nigeria; Amnesty: Nigerian Gov't Knew of Imminent Attack on Girls' School; Protests for Girls' Return Continue Worldwide; Pro-Russian Groups Claim Victory in Fraught Referendum; U.S. Operatives Kill 2 in Yemen; Drone Strike Kills 5; Obama Unveils New Renewable Energy Measures; Protests Oppose Wal-Mart as Venue for Obama Energy Speech; NYPD Recruiting Muslim Informants in City Jails; Sen. Paul Breaks with GOP on Voter ID Laws; Arkansas Gay Marriage Ban Struck Down; Hagel Backs Review of Transgender Ban in Military; Michael Sam Becomes NFL's 1st Openly Gay Player