David Letterman's 20th anniversary hosting CBS's The Late Show is coming up this week. NPR's Terry Gross has unearthed an old radio interview she did with Letterman on Fresh Air from 1981, before ...

It's a much nicer, more self-deprecating letter than her 'League of Their Own' missive.

CBS has a contract with Worldwide Pants to continue the show through 2014; by then, Letterman will surpass Johnny Carson as the longest tenured late-night talk show host." ...