Signs promoting the US Democratic presidential candidates during the Pennsylvania primaries are displayed in Bethlehem

 
Signs promoting the US Democratic presidential candidates during the Pennsylvania primaries are displayed in Bethlehem
Signs promoting US Democratic presidential candidates Senator Hillary Clinton (D-NY) and Senator Barack Obama (D-IL) during the Pennsylvania primaries are displayed in Bethlehem, Pennsylvania, April 22, 2008. REUTERS/Shannon Stapleton (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)