Everything in their respective positions divides them: Alain Badiou is the thinker of a revitalized communism and Alain Finkielkraut the mournful observer of the loss of values. The two opponents, gathered here for their first-ever debate, have irreconcilable visions. Yet neither is a stranger to controversy, and in this debate they make explicit the grounds of their personal dispute as well as addressing, in a frank and open exchange, their ideas and theories. Guided by Aude Lancelin, the two philosophers discuss subjects as diverse as national identity, Israel and Judaism, May 1968, and renewed popularity of the idea of communism. Their passionate debate is more than