Plot: 2010/08/25 Headlines: 33 Killed, Dozens Wounded in Iraq Violence; Witnesses: 8 Afghan Civilians Killed in US Attack; Top US Marine: Withdrawal Deadline Boosting Taliban Morale; WikiLeaks Announces Release of CIA Paper; Study: Microbes Eating Up Oil in Gulf of Mexico; McCain Holds Off Challenger; Murkowski Trails in Alaska GOP Race; Rep. Meek Defeats Billionaire Challenger in Fla