Allegations by an animal rights group that Niabi Zoo animals were exploited by a recent appearance on ``Late Show with David Letterman'' are ``a shame,'' zoo director Tom Stalf says. PETA, People for ...

Letterman gave late night the top 10 list, stupid pet tricks and more. — -- Tonight, after 33 years in late night television, David Letterman will preside over his final episode of the "Late Show ...

The host closed his late-night career in star-studded fashion. — -- David Letterman closed his 33-year late-night TV career Wednesday with a star-studded, emotional episode of “Late Show” that ...

For more than 30 years, David Letterman was a staple on the late-night talk show scene - but what is he up to now? The comedian cemented himself as one of the biggest names in broadcasting with Late ...