The last four years have seen a remarkable resurgence of democracy in the Southern Cone of the Americas. Military regimes have been replaced in Argentina (1983), Uruguay (1985), and Brazil (1985). Despite great interest in these new democracies, the role of the military in the process of transition has been under-theorized and under-researched. Alfred Stepan, one of the best-known analysts of the military in politics, examines some of the reasons...