<p>Kauto Star, Nijinsky, Arkle, Desert Orchid, Frankel, Red Rum ? how do you rank the best British and Irish horses from both Flat racing and jumping? How do you compare a fleet-footed sprinter with the robust staying power of a steeplechaser?<br><br>Robin Oakley's highly personal list will provoke debate among racing fans everywhere. A lifelong devotee of racing and well known as the Turf correspondent for the Spectator, former BBC Political Edi...