We can harness Thoroughbreds to our best and worst, to our altruism or avarice--but thankfully we will never alter the essential, inherent wonder of the breed, nor maintain the illusion that we are ever truly in control of its destiny. There's a genuine possibility, this weekend, that a German colt could elevate himself to the top of the global sophomore crop by winning the G1 Japan Cup. Yet Tünnes (Ger) (Guiliani {Ire}) was a wholly inadvertent acquisition at the Baden-Baden yearling sales, his purchaser having dropped out at €20,000 only...