In September 1894, an agent of the French Intelligence Bureau discovered alist of French military secrets in a wastebasket at the German Embassy in Paris.This document was quickly misattributed to a Jewish officer, Alfred Dreyfus,who was convicted in a hasty court martial and sentenced to deportation inperpetuity. Over the next four years, his sentence was challenged by allies,called “dreyfusards,” who found in the effort to reopen the case a quasi-mysticalquest in defense of truth, justice, and liberal republican ideals. They were counteredby others, the “antidreyfusards,” who saw truth as less important thanthe well-being of the nation or who believed that, being Jewish, Dreyfus wasnecessarily a traitor. In French history, memory, and cul...