For some, he was "America's leading smut king," hauled into court repeatedly over thirty years for peddling obscene publications through the mail. But when Samuel Roth appealed a 1956 conviction, he forced the Supreme Court to finally come to grips with a problem that had plagued both American society and constitutional law for longer than he had been in business. For while the facts of Roth v. United States were unexceptional, its constitutional...