U.S. President George W. Bush and newly appointed Chairman of the Board of Governors of the Federal Reserve System and the Chairman of the Federal Open Market Committee Ben Bernanke shake hands with President George W. Bush, at the Federal Reserve headquarters in Washington, February 6, 2006. Bernanke replaces Alan Greenspan, who held the post for more than 18 years. (UPI Photo/Jay Clendenin/Pool)