Buffett, Einhorn Fight Breaks Out as Government Charges S&P With Fraud

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"A DOJ lawsuit would be entirely without factual or legal merit," S&P said in a statement Monday. "It would disregard the central facts that S&P reviewed the same subprime mortgage data as the rest of the market, including U.S. government officials who in 2007 publicly stated that problems in the subprime market appeared to be contained."

-- Written by Antoine Gara in New York