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A trader on the floor of the New York Stock Exchange looks at stocks during the final minutes of trading on May 6. The Dow fell more than 600 points in a few minutes in what became known as the "flash crash." Timothy A. Clary/AFP/Getty Images hide caption

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Timothy A. Clary/AFP/Getty Images

Auburn and Oregon will play for the BCS championship on Jan. 10 in Glendale, Ariz. Above, workers assemble gift bags for fans. Matt York/ASSOCIATED PRESS hide caption

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Matt York/ASSOCIATED PRESS

Then-Delaware Republican Senate candidate Christine O'Donnell talking with family members in between television interviews in September. O'Donnell was subjected to ridicule after a clip surfaced from an appearance years ago on comic Bill Maher's Politically Incorrect show where she mentions dabbling in witchcraft. Rob Carr/AP hide caption

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Rob Carr/AP