U.S. Presidential Campaign Trails (in chronology): Candidates-17b

U.S. Presidential hopeful Sen. Barack Obama (D-IL), as seen through the window of a skating rink, speaks to a crowd gathered in Chariton, Iowa, on Nov. 08, 2007.

U.S. Presidential hopeful Sen. Barack Obama (D-IL), as seen through the window of a skating rink, speaks to a crowd gathered in Chariton, Iowa, on Nov. 08, 2007.