To many horsepeople and fans, the news that 2022 GI Preakness S. winner Early Voting (Gun Runner) had been cured of a syndrome that initially--apparently--spelled doom to his stud career was a complete surprise. To New Zealand-born veterinarian and scientist Dr. Padraig (Paddy) O'Casaigh, it was just another day at the office O'Casaigh, the 'brain and chief researcher/inventor' behind the 'unique' product Chaperonze (his birthplace a contributor to this intentional misspell), has treated 'about 100' stallions with breeding problems. "My experience in my 35 years," he said, "is that I've...