Half of Christians say sex between consenting adults who are in a committed dating relationship is sometimes or always acceptable, and over half — with the exception of evangelical Protestants — say casual sex is OK, according to a survey by the Pew Research Center. Some 62% of Catholics, 56% of Protestants in the historically black tradition, 54% of mainline Protestants, and 36% of evangelical Protestants say casual sex between consenting adults is sometimes or always acceptable, according to the survey. Among those who are religiously unaffiliated, as many as 84% say casual sex is sometimes or always acceptable, Pew...