WASHINGTON - APRIL 09: (FILE PHOTO) Lawrence Summers, Director of President Barack Obama's National Economic Council, participates in a question-and-answer session during a luncheon with the Economic... more 
WASHINGTON - APRIL 09: (FILE PHOTO) Lawrence Summers, Director of President Barack Obama's National Economic Council, participates in a question-and-answer session during a luncheon with the Economic Club of Washington at the J.W. Marriott April 9, 2009 in Washington, DC. . It was reported that Summers has announced that he will step down from his position of Director of the National Economic Council in order to return as a University Professor at Harvard University at the end of the year September 21, 2010. (Photo by Chip Somodevilla/Getty Images) less 
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Getty Images | Photo By Chip Somodevilla / Getty Images
Tue, Sep 21, 2010 5:28 PM EDT