CHELTENHAM, UK--Resplendent in bright green on St Patrick's Day, Audrey Truly clasped the Cheltenham Gold Cup as she chatted with Princess Anne while her face bore a look of disbelief. The owner could be forgiven if the enormity of the relatively smooth victory of her 7-year-old Galopin Des Champs (Fr) (Timos {Ger}) in jump racing's most prestigious race was yet to sink in. Exactly a year ago the sleek dark brown gelding appeared to be about to back up his first Cheltenham success in the Martin Pipe Conditional Jockeys' Hurdle...