" Looking back at that belief during hearings this fall on Capitol Hill, Alan Greenspan said out loud, “I have found a flaw.” Congressman Henry Waxman pushed him, responding, “In other words, you found that your view of the world, your ideology, was not right; it wasn’t working.” “Absolutely, precisely,” Greenspan said. "

― Joseph E. Stiglitz , The Great Divide: Unequal Societies and What We Can Do About Them