Presidential Election '08 (50 images)

Updated: Feb. 21, 2008 at 1:38 PM
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Supporters of Sen. Hillary Clinton (D-NY) applaud as she speaks at the Mississippi Valley Fairgrounds in Davenport, Iowa on January 28, 2007. Clinton has formed an exploratory committee and taken the first steps to prepare for a run for the White House in 2008. (UPI Photo/Brian Kersey)
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