Judith Butler is the Maxine Eliot Professor in the Department of Rhetoric and Comparative Literature at the University of California at Berkeley, and Visiting Professor in the Humanities at Columbia University. Her books include Parting Ways: Jewishness and the Critique of Zionism; The Power of Religion in the Public Sphere; Gender Trouble: Feminism and the Subversion of Identity; and Antigone's Claim: Kinship Between Life and Death. Philippe Sabot is lecturer in philosophy at the Charles De Gaulle University-Lille 3 in Lille, France.