Overview: 2010/04/20 Headlines: China Earthquake Toll Passes 2,000; Air Travel Resumes in Europe Amidst New Ash Warning; US, Iraq Claim Killings of 2 Militant Leaders; Iran Bars 2 Opposition Parties; Brazilian Court Delays Dam Bidding for 2nd Time; New Zealand Signs UN Declaration of Indigenous Rights; Egyptian Official: Gov't Forces Can Fire on Protesters; US Summons Syrian Diplomat over Weapons Allegations; ALBA Summit Coincides with Venezuelan Bicentennial; Citigroup Posts $4.4B Quarterly Profit; Goldman Hires Ex-Obama White House Counsel; Hundreds Mark 15th Anniversary of Oklahoma City Bombing; Pro-Gun Rallies Held in DC, Virginia; Woman Killed, 2 Others Wounded in Tenn. Murder-Suicide Shooting; Report: Obama Taps White-Collar Attorney for Deputy Attorney General Post; Admin Subpoenaed in Ft. Hood Probe; Arizona Senate OKs Anti-Immigrant Measure; 56,000 Images Captured on Monitored Student Laptops at Pa. Schools