With racing in Britain suspended until at least the end of April, just days before the Guineas would have been run at Newmarket, the one certain thing in an uncertain world is that there will be some disruption to the Classic programme this season. Hopefully that will merely be some date changes. The last time there was a significant change to the British Classics was 25 years ago, when the Derby was moved from its traditional Wednesday slot to a Saturday. It still rankles in some quarters, though in this...