Overview: 2012/08/23 Headlines: CBO Warns U.S. Headed for Major Recession; Obama Slams Romney Education Plan in Nevada Visit; Romney Urges Supporters to Convert Swing Voters; Ryan Seeks Distance from Akin After Rape Comment; GOP Official Accused of Racist Comment in Ohio Voting Battle; Heavy Fighting in Damascus Leaves 40 Dead; Rebuffing U.S. and Israel, Ban to Attend Iran Summit; Clashes Erupt Between Bahraini Police, Demonstrators at Funeral for Slain Protester; Report: U.S. Charges Unlikely Against Assange; Tropical Storm Isaac Approaches Haiti, Dominican Republic; Deaths Jump in U.S. Outbreak of West Nile Virus; California Fires Prompt State of Emergency in 3 Counties; Report: Exelon Benefited from Obama Admin Ties; Dozens Protest LAPD Beating of Black College Student;$