How Letterman's Feud with Oprah Began

On Tuesday, David Letterman revealed the true genesis of his feud with Oprah—and it has nothing to do with the Academy Awards. Click here for more videos.

Updated 04.24.17 5:38PM ET / Published 09.29.10 7:51AM ET

On Tuesday, David Letterman revealed the true genesis of his feud with Oprah—and it has nothing to do with the Academy Awards. Click here for more videos.