Lewis Black on the White House Correspondents Dinner: “Bringing in a comic is beyond belief to me”

In this Sunday, June 7, 2015 photo, actors, Mindy Kaling, from left, Lewis Black, Amy Poehler, Bill Hader and Phyllis Smith, pose for a portrait in promotion of the new animated Disney-Pixar feature film, "Inside Out," in Beverly Hills, Calif. The movie releases in U.S. theaters on June 19, 2015. (Photo by Rebecca Cabage/Invision/AP)

Comedian Lewis Black tells Patti why he thinks inviting a comedian to speak at the White  House Correspondents Dinner is a mistake. And, he reveals his trick to not ruining jokes.