The debate over whether or not Medina Spirit's 2021 GI Kentucky Derby disqualification for betamethasone was the result of an injection or the application of an ointment was a focal point in the fourth day of testimony at Bob Baffert's appeal before a Kentucky Horse Racing Commission (KHRC) hearing officer in Frankfort, Kentucky, on Thursday. That argument has percolated for the better part of 16 months in various hearing and courtroom settings. It is now being brought up again in front of the KHRC hearing officer to adjudicate the Hall-of-Fame...