US Senator Obama signs a book for a supporter before addressing concerns of former employees and family members of Illinois nuclear weapons plants in Naperville

 
US Senator Obama signs a book for a supporter before addressing concerns of former employees and family members of Illinois nuclear weapons plants in Naperville
U.S. Senator Barack Obama (D-IL) signs a book for a supporter before addressing concerns of former employees and family members of two Illinois nuclear weapons plants and testifying before the federal Advisory Board on Radiation and Worker Health in Naperville, Illinois, December 12, 2006. REUTERS/Joshua Lott (UNITED STATES)