A few months <a href=" http://catraffictickets.com/index.php/essay-organ-donation.html ">magnetic levitation research papers</a> Obama also took the time to praise Bernanke's leadership of the central bank. Obama nominated Bernanke, a George W. Bush nominee, for his second term in 2009, amid economic catastrophe. Calling Bernanke "the epitome of calm," Obama credited the outgoing chairman with steering the U.S. economy through a difficult recession.