Every human institution and society has its own list of sins and virtues that contradict the law of God. With the rise of the Millennial generation in evangelical churches, a vice is creeping up into the realms of acceptance, indifference, or at least resignation: fornication (i.e. extramarital sex or unchaste living). A few decades ago, this was one of the main issues that evangelicals hammered in their social witness. The skeptical news cycle and entertainment industry mocked this often; they saw pleas for chastity as a laughable result of pietistic sexual repression and no small bit of hypocrisy. Theological leaders...