I attended Bishop Diego High School’s fourth annual Classics with the Cardinals car show with my son and daughter-in-law who are true car nuts. Their Ford Super Duty Dually pulled into our neighborhood towing a 30-foot trailer with a 1949 Willys-Overland Jeepster and a bright orange 1972 Pontiac LeMans inside. The next morning, we drove the two show cars to join 173 other pre-1991 cars spread out on the big grass field on a beautiful sunny Santa…