Gamely Girl

We're all guilty of it. A horse shows talent; we seek its source in the pedigree; and, however discouraging the initial sifting, eventually we pluck out some plausibly glinting nugget to brandish triumphantly aloft. "See! This proves there is a seam of gold!" And that's fair enough. We all have a stake in the viability of selective breeding, albeit we don't actually want its outcomes to become too predictable. If the mysteries of pedigree were entirely transparent, the guy who buys the sale-topper would win the Derby every year and...