He called it a "once-in-a-lifetime" experience, smiling in the Paris sunshine, spry and dapper in his bow tie and blazer. And then he added: "I mean, I'm 90 years old, so I don't know how much more lifetime there is!" That helped the interview go fairly viral. But there was much else besides: the sheer joie de vivre, the sense of just how much living Russell Jones has crammed into that lifetime; plus an infectious sense of the fulfilment available, when you invest in a horse in a purely sporting...