When this whole thing is over, some kind of reset seems inevitable: certain priorities renewed, others revised. And perhaps, with an abrupt end looming to the relentless bull run in the bloodstock market, commercial breeders might begin to dig slightly deeper foundations for their broodmares. In recent times, they have been increasingly prepared to risk a mare's long-term viability by choosing her mates according to short-term market fads. Once that market plunges, however, it's all downside. The far-sighted breeder, as such, will surely seek to ride out the storm by...