To the casual observer at Longchamp on Thursday evening there would not have appeared to be too much wrong with French racing. A lively, sell-out crowd of 10,000 was on course for two reasons: top-class horse racing and an after-party which shimmered through to the small hours while the Eiffel Tower sparkled in the distance. The 'JeuXdi' initiative of post-racing DJ sets is not new. For some years now Thursday nights at France's flagship track have been filled with young revellers. The difference this week was that for the first...