Democratic Presidential candidate U.S. Sen. Barack Obama before speaking to SEIU members in Washington

 
Democratic Presidential candidate U.S. Sen. Barack Obama before speaking to SEIU members in Washington
Democratic Presidential candidate U.S. Sen. Barack Obama (D-Ill)(L), is hugged before being introduced to speak to the Political Action Conference of the Service Employees International Union in Washington, September 17, 2007. REUTERS/Larry Downing (UNITED STATES)