Three years ago, Darley's Sales Manager Darren Fox boarded a plane for Australia to see if Astern (Aus), their highly-rated son of Medaglia d'Oro, could be a good fit for the American roster. "Upon making the trip to Australia to make sure he would work physically, it took all of about three seconds of looking at Astern to say, 'Yes, this horse will work in America,'" Fox recalled. "He has a lot of attributes that we look for and he was, in any jurisdiction, a high-level, high-performing racehorse. So it...