Clinton-era Treasury secretary and former Obama economic adviser Lawrence Summers last week in Washington, D.C. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images

Federal Reserve Board Vice Chairman Janet Yellen is considered a top candidate to replace Ben Bernanke now that Lawrence Summers has withdrawn his name for contention for the Fed's top job. Robert Galbraith/Reuters/Landov hide caption

itoggle caption Robert Galbraith/Reuters/Landov

Janet Yellen, vice chairwoman of the Federal Reserve, is under consideration to become the first woman to lead the Fed. President Obama reportedly is likely to choose between Yellen and former Treasury Secretary Lawrence Summers. Franck Robichon/EPA/Landov hide caption

itoggle caption Franck Robichon/EPA/Landov