Overview: 2011/04/12 Headlines: Radiation from Japan Nuclear Crisis “Could Eventually Exceed Chernobyl”; Ivory Coast Incumbent President Laurent Gbagbo Arrested; Libyan Rebels Reject African Ceasefire Proposal, France Calls for More Air Strikes; Egyptian Military Court Sentences Blogger to Three Years in Prison; 117 Syrian Protesters Detained on Monday; U.S. Servicemen Killed by Drone Strike in Afghanistan; Pakistan Calls on CIA, Special Operations Forces to Scale Back Mission; Obama Budget Targets Education, Labor, Health Programs; Washington, D.C. Mayor Arrested After Protesting Budget Proposal; Mitt Romney Announces Presidential Exploratory Committee; Court Upholds Ban on Elements of Arizona Immigration Law; Study: Natural Gas Drilling May Contribute More to Global Warming than Coal; U.S. Military Blocks U.N. Official from Seeing Bradley Manning; Israel: Netanyahu Considers Withdrawal from West Bank; Associated Press Plans Nationwide Rallies Against Benefits Cuts