Overview: 2012/04/20 Headlines: Chinese Prisoners Freed from Guantánamo 4 Years After Judge Demanded Release; Clinton Pushes Harsher Sanctions Against Syria; U.N.’s Ban Slams Lack of Progress in Syria; Shooter George Zimmerman to Appear in Bond Hearing; KFC, Taco Bell Owner Latest to Drop <span class="caps">ALEC; Cop Who Called Shooting Victim Kenneth Chamberlain Sr. a Racial Slur ID’d, Accused in Prior Case; Federal Regulators OK Domestic Drone Use for DHS, Police, Military, Private Firms; FBI Seizes Riseup Email Network Server; Study: No Evidence Death Penalty Deters Future Violent Crimes; Vermont Backs Anti-Citizens United Amendment; Study: 1 in 4 Americans Under 65 Had No Health Insurance Last Year; E.U. Agrees to Share Passenger Info with Homeland Security; Pro-Democracy Protests Continue in Bahrain Ahead of Auto Race; Democrats Rallying Behind Keystone XL Oil Pipeline; Murdoch Phone-Hacking Scandal Grows in U.S.; On BP Oil Spill’s 2nd Anniversary, Toxic Legacy Remains in Mutated Sea Life; Levon Helm, Musician in The Band, Dead at 71;$