Until recently it has been commonplace to believe that Vatican II represents a permanent sidelining of the thought of St. Thomas Aquinas for theology. The documents of that council, it is said, moved away from the scholastic categories that had informed Catholic theological work since the Reformation, and most particularly since Vatican I. There is some truth to this, of course, since the council fathers preferred biblical formulations in a personalist and pastoral mode over the kinds of concepts one finds in Neo-Thomism. The effect of this shift on theological education is well known....