Through the first three installments of this series, we've repeatedly complained about ever-more manic investment in unproven stallions and the resulting potential for chronic deterioration in the gene pool. So we won't reprise the theme today, other than to remark that this situation creates a rather more immediate and specific challenge for the next group under review. Because while second- and third-season stallions can still offer breeders the possibility of riding an early vogue, this lot have just been exposed to the judgment of the yearling market--which history reveals to...