Philadelphia

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FILE - In this Dec. 22, 2013, file photo, Philadelphia Eagles' Bryce Brown rushes for a touchdown during the second half of an NFL football game against the Chicago Bears in Philadelphia. The Buffalo Bills have acquired Brown in a trade with the Eagles on Saturday, May 10, 2014. In the trade, Buffalo and Philadelphia swapped seventh-round picks in this year's draft. The Bills also gave up a conditional draft pick, either a fourth-rounder next year or a third-round selection in 2016. (AP Photo/Michael Perez, File)

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Businessman Tom Wolf responds to a question during the Pennsylvania Democratic Gubernatorial Primary Debate, Thursday, May 8, 2014, in Philadelphia. (AP Photo/Matt Slocum)

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Businessman Tom Wolf, right, responds to a comment by U.S. Rep. Allyson Schwartz during the Pennsylvania Democratic Gubernatorial Primary Debate, Thursday, May 8, 2014, in Philadelphia. (AP Photo/Matt Slocum)

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Former environmental protection secretary Katie McGinty, right, talks with a producer before the Pennsylvania Democratic Gubernatorial Primary Debate, Thursday, May 8, 2014, in Philadelphia. Thursday’s debate is scheduled to be aired this weekend on 6abc. (AP Photo/Matt Slocum)