To some degree, all of the contributors to this volume are engaged in some form of what might be called “activism,” though almost no one will apply the label to themselves or their work. They may call it “community service,” “community building,” or, as I prefer, “community engagement.” Or they may resist labels by not calling it anything at all. All, however, are rooted in the understanding that their research and teaching need to have a material impact on the world outside of the work the academy recognizes. The challenge, then, is to think through...