Introduction: "Individuality in name only" -- Postwar teenagers and the attitude of authenticity -- From madness to the Prozac Americans -- "They didn't do it for thrills": serial killing and the problem of motive -- Assimilation, authenticity, and "natural Jewishness" -- "The man he almost is": performativity and the corporate narrative -- Conclusion: "Collage is the art form of the twentieth century."