Democratic presidential hopeful U.S. Senator Hillary Clinton (D-NY) attends a campaign rally at the West Chester fire department April 19, 2008 in West Chester, Pennsylvania. As the April 22, 2008 primary election date approaches for the Democratic candidates, Clinton and Sen. Barack Obama, (D-IL) continue to make their points to voters.
(April 18, 2008 - Source: Joe Raedle/Getty Images North America)
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