David Letterman Thinks He “Stayed on Television Way Too Long” - Vanity Fair

David Letterman Thinks He “Stayed on Television Way Too Long”  Vanity FairDavid Letterman Tells Ellen DeGeneres He Stayed Too Long At 'Late Show': “Nobody Had The Guts To Fire Me”  DeadlineDavid Letterman Says He Stayed on TV for Too Long: 'Nobody Had the Guts to Fire Me'  PEOPLE.comDavid Letterman on Life After 'Late Show,' Question for Trump  Hollywood ReporterDavid Letterman talks career 'mistake' with Ellen DeGeneres: I stayed o