Janet Yellen, vice chairwoman of the Federal Reserve Bank, speaks at the Economic Club of New York, Monday, April 11, 2011. Yellen, the Fed's second-highest ranking official, says the economy is not ... more 
Janet Yellen, vice chairwoman of the Federal Reserve Bank, speaks at the Economic Club of New York, Monday, April 11, 2011. Yellen, the Fed's second-highest ranking official, says the economy is not strong enough for the Fed to begin tightening credit. less 
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Associated Press | Photo By Mark Lennihan
Mon, Apr 11, 2011 2:30 PM EDT