Plot: 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