In a new book, The Science of Second Chances, economist Jennifer Doleac puts criminal justice reform strategies under the microscope. Should prosecutors be lenient towards first offenders? Should probation ground-rules be strict and strictly enforced? Should persons convicted of a felony have their DNA included in a law enforcement data base? Should employers be allowed to ask job applicants whether they have been convicted of a crime? Doleac, the Executive Vice President of Arnold Ventures, believes in answering these questions with rigorous empirical evidence. Some of her answers will surprise you!