Why Hasn't the Government Gone After Mortgage Fraud?

"One of the most important questions to arise out of Washington over the past three years, and one that Democrats and defenders of the administration often dance around, is why big financial institutions haven't been punished for their role in the mortgage crisis: for pushing bad loans beforehand and for engaging in shady foreclosure practices afterward. There has not been a single prosecution of a high-ranking executive nor Wall Street firm for playing a part in the meltdown."