Alan Greenspan sees the light , sort of. Facing a firing line of questions from Washington lawmakers, Alan Greenspan, the former Federal Reserve chairman once considered the infallible maestro of the financial system, admitted on Thursday that he “made a mistake” in trusting that free markets could regulate themselves without government oversight. *snip*... Referring to his free-market ideology, Mr. Greenspan added: “I have found a flaw. I don’t know how significant or permanent it is. But I have been very distressed by that fact.” Mr. Waxman pressed the former Fed chair to clarify his words. “In other words, you found that your view of the world, your ideology, was not right, it was not working,” Mr. Waxman said. “Absolutely, precisely,” Mr. Greenspan replied. “You know, that’s precisely the reason I was shocked, because I have been going for 40 years or more with very considerable evidence that it was working exceptionally well.” Better to see the error of one's ways, and be shoc