Overview: 2011/08/11 Headlines: 6 NATO Troops Killed; U.S. Claims Strike on Militants Involved in Helicopter Attack; Amnesty Calls on NATO to Probe Civilian Deaths in Libya; Syrian Forces Continue to Attack Towns as Assad Admits "Mistakes"; Obama to Call for Assad's Departure; GOP Announces Deficit "Super Committee" Members; Obama Meets with Top Officials on Slumping Economy; U.N. Envoy Appeals for More Aid to Somalia; Report: U.S.-Funded Firm Training African Union Troops in Somalia; Over 1,200 Arrested for British Riots; USDA Knew of Dangerous Bacteria Well Before Cargill Turkey Recall; New York City Expands Community Media under Cable Deal