(NEWSER) - Until the day Lehman Brothers declared bankruptcy, all three of the major credit-ratings agencies swore its debt was safe, rating it A or better. They rated AIG at AA. And they gave 75% of the $3.2 trillion of subprime mortgage securities iron-clad AAA ratings. Moody’s, S&P and Fitch were, in short, at the center of the credit crisis. Yet all are still profitable—and regulators aren’t touching them, Bloomberg reports. More»