Reinhold Niebuhr remains at the center of a national conversation about America's role in the world, and commentators with divergent political and religious positions draw upon his 1951 work, The Irony of American History, in support of their views. In this study Scott R. Erwin argues that an appreciation of Niebuhr's theological vision is necessary for understanding the full measure of Irony. An appreciation of Niebuhr's theology is important because the majority of individuals reading Irony today fail to acknowledge the central role that his Christian beliefs played in its formulation....