In the battle of the US late-night TV hosts, Jay Leno may have the ratings, but Dave Letterman has the credibility. New York looks at how, after over 30 years on the small screen, the comedian has finally hit his stride as the elder statesman of American television.
Talkshow host David Letterman has responded to complaints by Sarah Palin over jokes he made about her daughters: "Am I guilty of poor taste? Yes. Did I suggest that it was OK for her 14-year-old daughter to be having promiscuous sex? No."