Triumph and disaster. In racing, the two are rarely far from each other. For David Menuisier to cast his mind back to last autumn will doubtless bring mixed emotions. At his local course of Goodwood on Sept. 23 he lost the horse who played an enormous part in the growing success of his stable, Thundering Blue (Exchange Rate). The 7-year-old's fatal injury in the listed Foundation S. was a cruel blow which brought the trainer and his partner Kim Johnstone to tears. But when the racing gods take, they so...