For more than a generation, as the authors rightly point out, the impact of organized labor on electoral politics has been neglected in scholarly literature. Indeed, only a tiny minority of social scientists explicitly focuses on organized labor in the United States. Although the impact of the social movements of the 1960s appeared to heighten awareness of the importance of class, race, and gender, class and its organized expression, the union movement, has received less attention, while studies of race and gender have flourished.