One Third of Countrywide Loans Were Fraudulent? [CBS Report suggests so...so why no prosecution of loan officers by Mike Ramos or Kamala Harris yet??]

3 years ago our economy almost collapsed due to the mortgage crises created by lenders or professionals involved in the lending process, yet no loan officers, Wall Street execs nor financial firms have been prosecuted federally, per a CBS report that can be viewed at:
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[http://www.cbsnews.com/video/watch/?id=7390540n&tag=contentMain;cbsCarousel].
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I see where there is some indication that California's Attorney General Kamala Harris ["California and Nevada join forces in mortgage probe," Alejandro Lazo, Los Angeles Times, Dec. 7, 2011] is joining in an effort being made by the Nevada Attorney General--a positive step.
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