From his desk in the racing office, Stuart Slagle views stakes coordination as a vocation that is part sales and part diplomacy, but for him, it is also part science. As a former academic who received a B.S. in Zoology at the University of Texas in Austin and studied biophysics at the University of Illinois in Champaign-Urbana before working with supercomputers as a system engineer, his approach to filling a stakes race is always interspersed with the scientific method and predictive analytics. "There is nothing like pursuing the science of...