Yahoo! News - Leno Proves Hot with the Kids, Letterman Crumbles



CBS has lost so many adults 18-34 in the first four weeks of the season that NBC's 'Late Night With Conan O'Brien' has surpassed 'Late Show With David Letterman' by a wide margin, a 1.2 rating vs. a 1.0, according to Nielsen Media Research.



'Letterman's' losses in the demo are staggering, down 40% from this point in the season a year ago. Similarly, 'The Late Late Show With Craig Kilborn' is off 29% and trails ABC's new entry, 'Jimmy Kimmel Live' by a 0.6 to a 0.5 in the demo.