Nov. 22 (UPI) -- The Japan Cup takes center stage on the weekend horse racing schedule, with Hong Kong's big international day right behind it on the calendar. While there's only limited action in North America, there's still plenty of interest as the first leg of the "Japan Road to the Kentucky Derby " is the Saturday feature at Tokyo Racecourse. Advertisement Meanwhile, the fields for the Dec. 8 Hong Kong International Races, as announced this week, will feature an American horse for the