One of the complaints Republicans have this morning and this afternoon about the EPA decision is that they want better investigation of this e-mail controversy.

WHITEHOUSE: Press Briefing

The SEC says Goldman misled investors in the CDO, but this is the same agency that ignored warnings about Bernard Madoff and botched the investigation of Allen Stanford.

FORBES: Round Three: SEC 2, Goldman Sachs 1 (Thanks to Warren Buffett)

An interesting detail I learned about the company in this investigation is that they actively promote green practices.

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Here to talk more about this is NPR's Chris Arnold who did the investigation for NPR.

NPR: Freddie Mac Good For Business, Bad For Homeowners?

"This is what you worry about the most, " a source with knowledge of the investigation said.

CNN: Boston Marathon bombings: More details, more questions

And this, we should say, is separate from the investigation that we were conducting about refinancing.

NPR: Freddie Mac Good For Business, Bad For Homeowners?

Or that he still has never heard from the Securities and Exchange Commission about whether he is a target of its investigation into this other scandal that resulted in one AIG executive being sentenced to prison.

FORBES: The Croesus Chronicles