
Janet Yellen, vice chairman of the U.S. Federal Reserve, smiles before speaking at the American Economic Association's annual meeting in San Diego, California, U.S., on Friday, Jan. 4, 2013. Yellen said financial markets should be regulated more tightly to reduce the risk of 2008-like credit crises. Photographer: Sam Hodgson/Bloomberg *** Local Caption *** Janet Yellen
Sam Hodgson/Bloomberg