We are going through an unprecedented period of political instability. With the rise of the alt-right and of xenophobic sentiment, and the fallout of neoliberal government policies, our political future is at stake. These times call for the type of critical theory and praxis that gave rise to the Frankfurt School in the 1920s and to the critical ferment of the 1970s. Yet, in the face of our crises today, contemporary critical theory seems disarmed. Critical theory is in disarray because of a wave of anti-foundational challenges in the 1960s that shattered the epistemological foundations of the Frankfurt School. The critiques fractured critical theory, but did not rebuild it. The result is that critical theory has since been mired in interne...