![Tina Fey [Late Show with David Letterman, 10.17.08]: A great finish to probably the best week of Letterman this year. And, if all works out well, the World’s Most Famous Impression will soon cease and simply provide an ideal tease for 30 Rock, which should bump the little-show-that-could up to America’s Sitcom this season. Not sure how wishful that line of logic may be, but I’m thinking it. Remember when everyone thought Studio 60 was going to trounce Fey & Co. in the fake SNL wars? What Matt Perry would do for a three episode arc as Jack’s long-lost son right about now … A-](http://25.media.tumblr.com/L8H9zWHTifa22nhfxJMukFkqo1_500.jpg)
Tina Fey [Late Show with David Letterman, 10.17.08]: A great finish to probably the best week of Letterman this year. And, if all works out well, the World’s Most Famous Impression will soon cease and simply provide an ideal tease for 30 Rock, which should bump the little-show-that-could up to America’s Sitcom this season. Not sure how wishful that line of logic may be, but I’m thinking it. Remember when everyone thought Studio 60 was going to trounce Fey & Co. in the fake SNL wars? What Matt Perry would do for a three episode arc as Jack’s long-lost son right about now … A-
