This volume documents the public discussion between Wendy Brown and Rainer Forst that took place on 8 December 2008 at the ICI Berlin Institute for Cultural Inquiry within the framework of the ICI series Spannungsübungen. The debate was planned and moderated by Antke Engel, and the epilogue for this publication was written by Christoph Holzhey and Luca Di Blasi in 2013.