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Now Playing: Former regulator Sheila Bair on the financial crisis

It may be too early to assign blame for Europe's economic crisis, but it is not too early to figure out what went wrong in this country back in 2008. Sheila Bair headed the FDIC back then, and is out with a new book this morning, in which she says she saw signs of trouble in subprime mortgages way back in 2006.