A sign showing current U.S. national debt sits in a hallway of the Cannon House Office Building on Capitol Hill in Washington

 
A sign showing current U.S. national debt sits in a hallway of the Cannon House Office Building on Capitol Hill in Washington
A sign showing the current U.S. national debt sits in a hallway of the Cannon House Office Building on Capitol Hill in Washington February 6, 2007. REUTERS/Jonathan Ernst (UNITED STATES)