Firefighters work a fire threatening houses in the La Cresenta section of Glendale, Calif., on Tuesday. LM Otero/AP hide caption

itoggle caption LM Otero/AP

Sen. Edward M. Kennedy (D-MA) addresses the Democratic National Convention in Denver on Aug. 25, 2008. Paul Sancya/AP hide caption

itoggle caption Paul Sancya/AP