FILE PHOTO: Valixir, ridden by jockey Soumillon poses with Khan

FILE PHOTO: French jockey Christophe Soumillon (C) celebrates with horse owner H.H. Aga Khan (L) after winning Queen Anne Stakes on Valixir at Royal Ascot in York on the first day of the meet, June 14, 2005. REUTERS/Ian Hodgson/File Photo