The problem for those who assert biblical authority in support of traditional definitions of marriage is that one could, with equal validity, assert that the lending of money or certain kinds of haircuts are forbidden by God, or that slavery and the subjugation of women are authorized by the Lord.

The perennial conviction that those who work hard and play by the rules will be rewarded with a more comfortable present and a stronger future for their children faces assault from just about every direction. That great enemy of democratic capitalism, economic inequality, is real and growing.