Sina Kramer's Excluded Within is one of those rare books that states things that seems obvious in the telling but which no one had quite thought of before. Her claim is that constituted exclusions based on race, gender, class, sexuality and other forms of social and political hierarchy are "excluded within," that is to say, are themselves deeply constitutive of what excludes them. Their appearance as being entirely "outside" of the systems of power—and even more pointedly of being unintelligible (insofar as any rubric of intelligibility is itself a function of the normative identities that are "inside")—is only retroactive, a...