U.S. Democratic presidential nominee Obama walks with his daughter Sasha on Halloween in Chicago
U.S. Democratic presidential nominee Senator Barack Obama (D-IL) goes trick-or-treating with his 7-year-old daughter Sasha in his Chicago neighbourhood on Halloween October 31, 2008. Obama is spending a few hours on Halloween with his family in Chicago before campaigning in Indiana later on Friday before the November 4 presidential election. REUTERS/Jason Reed (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)