This review article takes the publication of four new volumes by, and on, Ernesto Laclau and Chantal Mouffe as an opportunity to revisit their work and consider its contemporary relevance. After introducing the four volumes, I explain how Laclau and Mouffe’s work has developed since Hegemony and Socialist Strategy, highlighting three key developments: the incorporation of psychoanalysis, rhetoric and passions. Having done so, I turn to consider Laclau’s and Mouffe’s respective works on populism, connecting these to the emergence of left-wing populism in Europe today, with particular attention to the case of Podemos. Given the relevance of Laclau’s and Mouffe’s works for contemporary left populism, I show how the key elements from their theo...