Presidential Election '08 (50 images)

Updated: Feb. 21, 2008 at 1:38 PM
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Supporters of Democratic presidential hopeful Sen. Barack Obama (D-Ill.) hold up a sign at a rally at the Hy-Vee Conference Center in Des Moines, Iowa on December 8, 2007. Iowa voters head to the polls for a caucus on January 3, 2008. (UPI Photo/Brian Kersey)
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