For the first time since 2005, CBS’ the Late Show With David Letterman is leading in the ratings war against its NBC rival The Tonight Show, now hosted by Conan O’Brien.

Letterman hasn’t beat The Tonight Show in viewers for a full week of original broadcasts since December 2005, according to Nielsen ratings.

Written by Castina on June 25th, 2009 | Tagged as: Conan O'Brien,David Letterman,The Tonight Show