He’s a regular Rich Little. (From “Late Show,” air date: 7/11/01) #edwardnorton #robertdeniro #letterman Subscribe to Letterman: https://bit.ly/3GeOIAg Follow Letterman on Social: Facebook: https://www.facebook.com/DavidLetterman Instagram: https://www.instagram.com/letterman/ Twitter: https://twitter.com/Letterman Welcome to the Letterman YouTube Channel, home to all your favorite clips from Late Night and Late Show – as well as …