The legal threads connecting the rights of licensees to ply their trade and racetrack owners to police their grounds have been pulled tighter than a rip cord these past few years, thanks to a series of high-profile battles involving Hall of Famers Jerry Hollendorfer and Bob Baffert. These same threads hamstrung the years-long dispute between California's trainers and racetracks about what should be written into the race-meet agreement about fair procedures for trainers facing potential banishment from a facility. It all boils down to this: How best to balance the...