Treasury Secretary Timothy Geithner leaves a closed-door meeting with Senate Democrats on Capitol Hill in Washington, Tuesday, July 10, 2012. Senate Banking Committee Chairman Sen. Tim Johnson, D-S.D. is asking Geithner, as well as Federal Reserve Chairman Ben Bernanke, to be prepared to answer questions at a Congressional hearing later this month about allegations of global interest rate manipulation. (AP Photo/J. Scott Applewhite)