2013/04/12 Headlines: Senate Votes to Begin Debate on Gun Control; Syria: At Least 45 Die in Daraa as British Official Blasts Lack of World Action; Secret Documents Confirm U.S. Drone Policy Contradicts Public Claims; U.S. Officials Cast Doubt on Intel Report About North Korea's Nuclear Prowess; Report: Immigration Bill Could Deny Citizenship to Poor, Recent Arrivals; Lawyers Warn Hunger-Striking Gitmo Prisoners Could Soon Die; Chilean Students Hold Mass Rally for Free Education; Brazilians Protest Privatization of Maracanã Stadium for World Cup, Olympics; Venezuela: Presidential Candidates Give Final Speeches Before Election; Uruguay Lawmakers Vote to Legalize Same-Sex Marriage; Official: Break in Arkansas ExxonMobil Oil Pipeline Far Larger Than Believed; Israeli Military Locks Up 14-Year-Old Palestinian American for Throwing Stones; House Panel Approves Controversial Data-Sharing Bill; California: 3 Teens Arrested for Sexual Battery After Suicide of 15-Year-Old Girl; Las Vegas Cop Will Not Face Criminal Charges for Killing Unarmed Veteran; Director of Dr. Tiller's Former Abortion Clinic Faces Death Threats