LOUISVILLE, Ky.--(BUSINESS WIRE)--Papa John's is once again a pizza category leader in customer satisfaction among limited-service restaurants, according to the 2015 American Customer Satisfaction Index (ACSI) released today. The Louisville-based pizza chain earned the highest rating among pizza chains for the 14th time in the past 16 years. "Our team lives by the acronym ‘PAPA,’ or ‘People Are Priority Always,’" said John Schnatter, Papa John's founder, chairman, CEO and president. "These hono