PRESIDENTIAL CANDIDATES SPEAK AT AFSCME CONFERENCE IN WASHINGTON

Campaign buttons for Presidential candidate Sen. Barack Obama (D-IL) are displayed at the American Federation of State, County and Municipal Employees (AFSCME) 2007 National Leadership Conference in Washington on June 19, 2007. Over 2000 members of AFSCME gathered in Washington for the annual conference and to listen to five presidential candidates. (UPI Photo/Kevin Dietsch)