The Aga Khan's leading 3-year-old Vadeni (Fr) (Churchill {Ire}) looks set to be seen next in the G1 Qatar Prix de l'Arc de Triomphe, it was confirmed on Wednesday. Winner of the G1 Prix du Jockey Club and G1 Coral-Eclipse, the Jean-Claude Rouget-trained colt was most recently third behind Luxembourg (Ire) (Camelot {GB}) when sent off as favourite for the G1 Irish Champion S. It appeared after that race that Vadeni would swerve the Arc, which has been won by his owner-breeder on four occasions, most recently with Zarkava (Fr)....