Even up until the final tense moments before a federal judge handed down Scott Mangini's sentence Friday for his role as a licensed pharmacist who created custom drugs for racehorses in an alleged international doping conspiracy, the defense and prosecution sparred over two main issues: 1) How many of those drugs were actually "performance-enhancing," and 2) What should Mangini's sentencing be relative to that of Scott Robinson, who got 18 months in prison for marketing and selling those same pharmaceuticals? Saying that he wanted to "send a message" that would...