ARCADIA, USA — A clean sweep for Europe in the GI Breeders’ Cup Turf Sprint. How about that to start the Breeders’ Cup? And then for the closing act, a one-two for Aidan O’Brien in the GI Breeders’ Cup Juvenile Turf after the drama of the early-morning scratching of race favourite River Tiber (Ire) (Wootton