Plot: 2010/06/28 Headlines: Over 600 Arrested at G20 Protests in Toronto; G20 Leaders Agree to Cut Government Deficits in Half by 2013; Elena Kagan Confirmation Hearings Set to Begin; Report: Karzai Meets with Leading Insurgent Leader; CIA Director Panetta Defends Drone Attacks in Pakistan; US to Keep Control of South Korean Military; Turkey Closes Airspace to Israeli Military Flights; Blackwater Won't Face Charges for Deals in Sudan; Guinea Holds First Free Election; Funeral Held for Congolese Human Rights Activist; Manufacturer of Oil Dispersant Beefs Up Lobbying Force; 600 Anti-Offshore Drilling Rallies Held; Sen. Robert Byrd, 1917-2010