David Letterman launches YouTube Channel for Late Night’s 40th anniversary(04)

David Letterman launches YouTube Channel for Late Night’s 40th anniversary(04)


Image gallery: David Letterman Appearance Late Night Celebrate Shows 40th Anniversary

David Letterman Returns to Late Night to Celebrate Show's 40th Anniversary Video David Letterman appears on 'Late Night' on 40th anniversary David Letterman set to appear on 'Late Night' for show's 40th David Letterman Makes His Return to 'Late Night' Show 40 Years After David Letterman launches YouTube Channel for Late Night’s 40th anniversary