Local News 2012 Pennsylvania Derby: Parx Racing September 22, 2012 / 2:14 PM EDT / CBS News 2012 Pennsylvania Derby: Parx Racing The Pennsylvania Derby is hosted at Bensalem's Parx Casino. (Credit: CBS Philly) 2012 Pennsylvania Derby: Parx Racing Parx Racing in Bensalem File Photo (Credit: CBS Philly) 2012 Pennsylvania Derby: Parx Racing
