Nearly every group suffered at one point in time: Romans fed Christians to lions for entertainment; Nazis killed Jews, gays, and the handicapped en masse; Americans white landowners enslaved blacks--the informed reader might cite myriad instances throughout human history when a particular community suffered at the hands of another. In "Border Crossing" David Sibley, writing primarily about recent events in both Britain and in the U.S.A., references numerous "manifestations of deep antagonism within society, for example between adults and teenagers, blacks and whites, heterosexuals and homosexuals," (273.) Why after so much time does this antagonism still exist? Sibley suggests that moral boundaries are at the root of the troubles (272.) Intolerance between groups grows when a particular group's moral boundaries become hegemonic, such as white, heterosexual, Judeo-Christian values became in both the U.S.A. and Western Europe--any individual or community that does not fit within the aforementioned...