Wednesday on The Gist, John Pfaff refuted the conventional wisdom about mass incarceration. Thursday, Pfaff explains some of the obstacles to reform. Pfaff’s book is Locked In: The True Causes of Mass Incarceration—and How to Achieve Real Reform.  In the Spiel, a loyally honest review of James Comey’s testimony.  Learn more about your ad choices. Visit megaphone.fm/adchoices