L egislative scholars have a history of stepping back occasionally to examine the development and state of the subdiscipline ~Budge 1973; Gamm and Huber 2002; Loewenberg, Patterson, and Jewell 1985; Mezey 1993; Morris-Jones 1983; Pasquino 1973; Patterson 1989!. Many of these existing reviews, although valuable, are predominantly of a qualitative and subjective nature and are, in most cases, now...