Republican presidential candidate, former Massachusetts Gov. Mitt Romney, center, flanked by campaign volunteers Jordan Furr, left, and Sherrie-Kaye Miller, both of Mechanicsburg, Pa., telephones a ... more 
Republican presidential candidate, former Massachusetts Gov. Mitt Romney, center, flanked by campaign volunteers Jordan Furr, left, and Sherrie-Kaye Miller, both of Mechanicsburg, Pa., telephones a potential voter from a call center at his Pennsylvania campaign headquarters in Harrisburg, Pa., Thursday, April 5, 2012. (AP Photo/Steven Senne) less 
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Associated Press | Photo By Steven Senne
Thu, Apr 5, 2012 1:27 PM EDT