"What if your parents turn you into a human lab rat when you're a child? Will that change the story of your life? Will that change who you are? When Susannah Breslin is a toddler, her parents enroll her in an exclusive laboratory preschool at the University of California, Berkeley, where she becomes one of over a hundred children who are research subjects in an unprecedented 30-year study of personality development that predicts who she and her cohort...