Letterman says 'thank you and goodnight'

TV personality David Letterman, an American cultural institution, has gone into retirement after 33 years and 6028 broadcasts of his late-night show.

David Letterman has gone into retirement after 33 years and 6028 broadcasts of his late-night show.

THE king of late-night television, David Letterman, has brought the curtain down on a 33-year career in an emotional final show packed with jokes and farewells from US presidents, Hollywood stars and devoted fans.

THE last-ever Late Show with David Letterman brings to an end an American cultural institution that has been watched by millions and an extraordinary career that has inspired a generation of comedians.