Do teachers have a front row seat to America's decline? Jeremy S. Adams, a teacher at both the high school and college levels, thinks so. Adams has spent decades trying to instill wisdom, ambition, and a love of learning in his students. And yet, as he notes, when teachers get together, they often share an arresting conclusion: Something has gone terribly wrong. Something essential is missing in our young people. Their curiosity seems stunted, their reason undeveloped, their values uninformed, their knowledge lacking, and most worrying of all, their humanity diminished. Digital hermits of a sort unfamiliar to an older generation, they have little interest in marriage and family. They largely dismiss-and are shockingly ignorant of-religion. They sneer at patriotism, sympathize with riots and vandalism, and regard American society and civilization as so radically flawed that it must be dismantled. Often friendless and depressed,...