Bernanke leaves legacy of stimulus and stagnation

The outgoing chairman of the Federal Reserve has been credited with pulling the nation up from the brink of a depression, but has also overseen one of the greatest surges in economic inequality in U.S. history.WASHINGTON — As Ben S. Bernanke walks away from the Federal Reserve's marble headquarters on the Mall after presiding over his last policy meeting Wednesday, he will leave behind a bittersweet legacy.