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)

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State treasurer Rob McCord, left, has his suit cleaned as former state environmental protection secretary Katie McGinty, center, and U.S. Rep. Allyson Schwartz look over their notes 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)