The stallions we assess today find themselves at the first major crossroads of their new career. Poor fellows, they're still a long way from having the chance to demonstrate whether they can actually produce runners. But that seems a pretty incidental consideration in the current marketplace, which has created a self-fulfilling cycle. Like it or not, stallions nowadays do indeed have their best chance of producing a good one from their first crop, as these typically emerge from the biggest and best books they will ever get. That, in turn,...