In this episode of Weekends with Yankee, go inside Yale University to meet the oldest a cappella group in the United States, the Whiffenpoofs. In Salem, Massachusetts, experience an urban oasis, the Punto Urban Art Museum, where grand-scale murals decorate the community. In Portland, Maine, meet Barton Seaver, a chef who combines his passion for food with his commitment to sustainability. And co-host Richard Wiese takes us on a tour of the PEZ factory in Orange, Connecticut.