Pennsylvania Presidential Primary (27 images)

Updated: April 21, 2008 at 1:45 PM
26 of 27
Democratic presidential candidate Sen. Hillary Clinton (D-NY) addresses students and supporters at a Solutions for the American Economy town hall meeting in the gym at the University of Pittsburgh at Greensburg in Greensburg, Pennsylvania on March 25, 2008. (UPI Photo/Archie Carpenter)
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