They know perfectly well, by this stage, that the apostrophe shouldn't be there. They've been asked, and told, about it often enough. But you know what? They're fine with that. They have come round to the view that it fits the horse, that quirky outlying touch; fits their whole story. Because really there's no way they should be here, either. "Every year, 20,000 foals are born," reflects Anthony Sagan. "And only 20 make it to the Derby. But not only did we make it, we were a length off winning...