With less than five weeks remaining to Dubai World Cup night at the sprawling Meydan Racecourse Apr. 5, the American challenge for the $12-million main event is coming together, with at least two U.S.-based middle-distance gallopers targeting the 2000-meter contest. Wathnan Racing's Hit Show (Candy Ride {Arg}) has come out of his distant third-place effort to 'TDN Rising Star' Locked (Gun Runner) in Saturday's GI Santa Anita Handicap in good order and connections have accepted an invitation to the World Cup, Case Clay, Wathnan's U.S. advisor, confirmed Sunday. "Will pow-wow...