Ben Sangster is not one to underestimate the influence of luck in this sport. But there is a lot to be said for people making their own, and having made most of the opportunities to come his way, luck is now shining kindly on his Swettenham Stud operation. Years of cultivating one branch of a favoured family could be on the cusp of yielding Classic rewards in the form of Luxembourg (Ire) (Camelot {GB}), the current ante-post Derby favourite who was bred by Sangster out of Attire (Ire) (Danehill Dancer...