In Pope Francis, Marriage, and Same-Sex Civil Unions: Foundations for the Organic Development of Catholic Sexual Doctrine, Todd A. Salzman and Michael G. Lawler argue for the organic development of Catholic sexual teaching to recognize the morality and sacramentality of opposite-sex and same-sex marriage. They do so on the basis of Pope Francis' support of the legal protection of same-sex civil unions, "new pastoral methods," theological anthropological,...