Awaiting its Detroit debut? A 1951 Buick Special De Luxe in Havana. Cuba is home to the world's largest collection of vintage American cars in daily use. Detroit is home to the world's largest one-day automotive event, the Woodward Dream Cruise on the third Saturday in August. So why not build a connection between the two? Seems like a natural. Well, there is that five-decade-old diplomatic imbroglio that is the reason so many of Cuba's cars date from before 1960. But as Mark Phelan reports in the Detroit Free Press , one American car guy believes a shared appreciation of old iron could outweigh the political differences. Rick Schnitzler hopes to see Cuban classics joining the parade along Woodward Avenue, and perhaps modern American cars returning the favour with a display on the Malecón in Havana. Schnitzler, of Philadelphia, is a co-founder of Taillight Diplomacy, a volunteer group that...