In this Friday, May 31, 2013 photo displayed are plates of prison food at Eastern State Penitentiary in Philadelphia. On left, Nutraloaf, presently served in Pennsylvania prisons as a “behavior ... more 
In this Friday, May 31, 2013 photo displayed are plates of prison food at Eastern State Penitentiary in Philadelphia. On left, Nutraloaf, presently served in Pennsylvania prisons as a “behavior modified meal” and salt beef, with “Indian Mush,” an inmate dinner from the 1800s. 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 | Photo By Matt Rourke
Fri, Jun 7, 2013 12:02 PM EDT