The idea that citizens' advancement should depend exclusively on merit, on qualities that deserve reward rather than on bloodlines or wire-pulling, was among the Founding ideals of the American republic, Joseph F. Kett argues in this provocative and engaging book. Merit's history, he contends, is best understood within the context of its often conflicting interaction with the other ideals of the Founding, equal rights and government by consent. Merit implies difference; equality suggests sameness. By sanctioning selection of those lower down by those higher up, merit potentially conflicts...