The betting suggested that Sunday's G1 Dubai Duty Free Irish Derby at The Curragh was a simple equation, but in the event there was a deal of disappointment and drama en route to TDN Rising Star Auguste Rodin (Ire) (Deep Impact {Jpn}--Rhododendron {Ire}, by Galileo {Ire}) completing the Derby double that had always seemed an inevitability. As the other key Derby runners White Birch (GB) (Ulysses {Ire}) and Sprewell (Ire) (Churchill {Ire}) failed to raise a fist, Ryan Moore first had to manoeuvre the unseating of Wayne Lordan on the...