The Glorious Goodwood euphoria didn't last long, did it? By Monday morning, the Jockey Club had announced its intention to join Ascot and Plumpton in discontinuing its membership of the Racecourse Association (RCA) at the end of this year. The Jockey Club's portfolio of 15 racecourses spans the length of England, from Carlisle down to Exeter, with the 'crown jewel' tracks of Epsom, Newmarket, Sandown, Cheltenham and Aintree in between. Once you add in the heft of Ascot, it's not simply a matter of there being more than a quarter...