Last week, an important piece of the Horseracing Integrity and Safety Act (HISA) puzzle was slotted into place when the Horseracing Integrity and Safety Authority's board of directors announced that Drug Free Sport International (DFSI) had been selected as the enforcement agency for the Anti-Doping and Medication Control (ADMC) arm of the program. DFSI has helped administer drug testing programs to a slew of human sports organizations, like the National Football League, NCAA, National Basketball Association, Ladies Professional Golf Association, the PGA Tour, NASCAR and Major League Baseball. Last week's...