It seems that whenever your correspondent comes up with a writer's block or a dearth of exciting news to dwell upon, his hand reaches out to the trusty bookshelf and invariably falls upon the spine of either one of Dr. Franco Varola's game-changing tomes, "Typology of the Racehorse," or the sequel, "The Functional Development of the Thoroughbred." While most readers of these books might (somewhat rightfully) claim that they laid the foundation for the massive rush to accept the concept of Dosage in the study of pedigrees, we have always...