The Watergate scandal involving the president's personal staff brought forth numerous analyses and explanations. Most analyses located the cause of the scandal in the psychology of Richard Nixon, the breakdown of institutional arrangements, or a societal tolerance for corruption. The author, however, argues that Watergate was but one of many staff incidents that undermined presidential power and that the persistence of such phenomena requires a sociological explanation. The author argues that deviant staff behaviors are a direct consequence of the organizational structure of personal staffs, and that such behaviors derive paradoxically from the characteristics that make staffs useful to chief executives. The argument is elaborated through an analysis of publicized scandals and disruptive staff practices of presidential staffs since Franklin Roosevelt's administration.The Watergate affair was arguably the most important crisis of institutionalized U.S. politics in this century. It drove a president from office, undermined the legitimacy of an entire political system, and left a nation in search of explanations for the illegal behaviors of highly placed persons. Explanations were offered by journalists and academics both, most seeking to understand the scandal so as to root out or prevent causal factors from emerging again. The analyses of Watergate were both many and diverse, but three types of explanations were common. One located the scandal's origins in the psychology of Richard Nixon, finding personality flaws or an inherently evil nature (e.g.,