Between 1970 and 2007, presidents of both parties consistently and actively supported financial deregulation. Given the low visibility and relatively technical nature of the issues, presidents saw deregulation as the best way to respond to technical innovation in the industry and disruptions caused by inflation. This history suggests several lessons for students of the role of presidents in policy making. Presidents can be active in promoting policy reform even though standard methods for defining the presidential agenda do not reveal this fact. 14. Edwards and Barrett (2000) report that presidential initiatives became law about 42% of the time; Peterson (1990) estimates that presidents are "dominant" in policy only about 19% of the time (157); Rudalevige (2002) reports that presidents win approval for slightly less than 30% of their proposals.