SPECIAL GUEST: Paul Spadafora, Chief Engineer, GMC Acadia PANEL: John McElroy, Autoline.tv; Gary Vasilash, AD and P; Joann Muller, Forbes.com NEWS TOPICS: - Rightsizing the 2017 GMC Acadia - Doctor Data - Maybe VW should leave the U.S. and concentrate on China? - Tesla earns some money (finally) - Can Consumer Reports boost Buick? - Pickups fall short in IIHS headlight testing