No issues in the modern world seem to be pressing the Church with as much force as those surrounding sex and marriage. The so-called Sexual Revolution has, for the most part, succeeded in radically changing how our culture understands both matters. Drawing from a highly selective (and sometimes contradictory) set of political, sociological and scientific arguments, opponents of the Christian tradition are pressing the case for radical reform with an abandon that bears all of the hallmarks of a revolution. And they have moved into the ascendancy.