Giorgio Agamben speaking about Michel Foucault, the role of liturgy, etymology and the Uficium in the Catholic Church and how those concepts have carried forth into the contemporary juridical state. Giorgio Agamben discussing modern ethic and politics, Homo Sacer, Liturgy, Law, Opus Operatum, Praxis, Ontology, Heidegger with questions by Judith Butler at the European Graduate School (EGS) in Saas Fee, Switzerland August 2009.