Was it just me or was Tina Fey the perfect vehicle to welcome back scripted television to the airwaves? Fey's winning turn as host this weekend on Saturday Night Live , the sketch comedy series on which she served as its first female head writer, was hilarious, inspired, and completely appropriate, after the long, dark months of the WGA strike. (It also earned SNL its highest overnight ratings in two years, scoring a 6.1/15 share.) From the opening moments--in which she referred to the lack of any hard feelings amongst the crew for the writers strike (and then had to duck several times from a boom being dropped on her head)--to an unexpected cameo from Steve Martin, advising her that she had to stop being a writer and start being a performer (complete with a lesson on the comedy rule of three), Fey proved why 30 Rock is such a critical success: she's funny, sexy, and not afraid to poke fun at herself, even when it means getting bitchslapped by Martin on stage. But it was her