Host Jeremy C. Park talks with Alan Zweibel, who discusses his latest book, "LAUGH LINES: My Life Helping Funny People Be Funnier," which takes readers through his long career in the comedy-writing business and charts the story and changes in what made America laugh over the decades. Throughout the pages of LAUGH LINES, Zweibel weaves together his own stories and interviews with his friends and contemporaries including Larry David, Richard Lewis, Eric Idle, Mike Birbiglia, Sarah Silverman, Judd Apatow, Susie Essman, Dave Barry, Rob Reiner, and more