Tina Fey, center, again returned to "Saturday Night Live" Oct. 4, 2008 to play Republican vice presidential candidate Sarah Palin as the sketch comedy show continued to pull out all the stops in its election year season. Queen Latifah, right, dropped by to portray Thursday's debate moderator, PBS's Gwen Ifill, and cast member Jason Sudeikis stepped into the role of Democratic vice presidential candidate Joe Biden. (AP Photo/NBC- Dana Edelson)