The construction of the One Liberty Place skyscraper in the 1980s broke a so-called gentleman’s agreement that no one build taller than the statue of William Penn on top of Philadelphia City Hall. That ushered in the “curse of Billy Penn,” thought to explain the failure of the city’s sports teams. Why was that “curse” so emblematic of Philadelphia — its traditions, culture, and insecurities? Former Pa. Gov. Ed Rendell and Temple University history professor Kenneth Finkel explain on this episode of The Why.