In this Friday, May 31, 2013 photo, director of public programming, Sean kelly displays a plate of Nutraloaf, presently served in Pennsylvania prisons as a “behavior modified meal,” at Eastern

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In this Friday, May 31, 2013 photo, director of public programming, Sean kelly displays a plate of Nutraloaf, presently served in Pennsylvania prisons as a “behavior modified meal,” at Eastern State Penitentiary in Philadelphia. The historic penitentiary plans to serve visitors sample meals from the 1800s, 1900s and today on June 8th and 9th. (AP Photo/Matt Rourke) less 

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Associated Press
Fri, Jun 7, 2013 5:56 PM EDT