Tina Fey talks to David Letterman and THR about her fear of bombing onstage (his response: "It's like I have a twin") and much more. By David Letterman, as told by Stephen Galloway There was a certain ...

Two women are chatting in a recent New Yorker cartoon. One says: ''I'm voting Republican -- just so Tina Fey will keep impersonating Sarah Palin.'' So, what's in store for the red-hot Fey? A hit TV ...