The critical theory of the Frankfurt School has undergone numerous and at times fundamental changes over the last ninety years. Since the late 1960s, it has been characterized primarily by J rgen Habermas's "communicative turn" and a focus on normative foundations. Today, that "second generation" exists side-by-side with a "third generation" represented most prominently by Axel Honneth's turn toward recognition, ethical life, and...