American social critics in the 1970s, convinced that their nation was in decline, turned to psychoanalysis for answers and seized on narcissism as the sickness of the age. Books indicting Americans as greedy, shallow, and self-indulgent appeared, none more influential than Christopher Lasch's famous 1978 jeremiad The Culture of Narcissism. This line of critique reached a crescendo the following year in Jimmy Carter's "malaise speech" and...