Washington, D.C. – Stephen J. Dubner and Dr. Steven Levitt, co-authors of the “Freakonomics” book series and podcast hosts on the Freakonomics Radio Network, will keynote NAB Show’s closing session, “Why the Media & Entertainment Industry Should Think Like a Freak” on Wednesday, April 27 on the NAB Main Stage. NAB Show will be held April 23-27 in Las Vegas, Nev.