In a mere twelve months, between May 2020 and May 2021, horse racing's most recognizable face--Hall of Fame trainer Bob Baffert--had five horses that failed postrace drug tests. Among those was the 2021 Kentucky Derby winner, Medina Spirit. While the incident was a major scandal in the Thoroughbred racing world, it was only the latest in a series of drug-related infractions among elite athletes. Stories about systemic rule-breaking and "doping culture"--both...