Overview: 2010/04/19 Headlines: Goldman Sachs Accused of Civil Fraud in Sale of Mortgage Securities; NATO Killings of Afghan Civilians Increasing; Italian Aid Workers Freed Following Arrests; Scores Killed in Pakistan Attacks; Gates Acknowledges Iran Memo; Iran: US Should Destroy Nuclear Arsenal, Withdraw Mideast Troops; Ecuador to Increase State Control of Oil Production; Ash Grounds European Flights for 5th Day; Toyota Agrees to $16.4M Fine for Hiding Pedal Defects; Widow of Miner Files Wrongful Death Suit Against Massey; Group Challenges Revised Surveillance Law; Court Limits NSA Data Collection; 5 Ex-Blackwater Execs Charged in Weapons Case