
Ben S. Bernanke, chairman of the U.S. Federal Reserve, speaks during the Financial Markets Conference in Stone Mountain, Georgia, U.S., on April 4, 2011. Bernanke said he expects an increase in commodity prices to create a "transitory" boost in U.S. inflation and that the central bank would act if he's proven incorrect. Photographer: Chris Rank/Bloomberg *** Local Caption *** Ben S. Bernanke
Chris Rank/Bloomberg