Tina Fey, 30 Rock Tina Fey, 30 Rock

30 Rock's Liz Lemon wants a baby, but wait: Shouldn't she wait a few seasons like Murphy Brown? We're hoping the writers are just using Liz's tick-tocking biological clock as comic fodder, because it's hard to maintain an acerbic wit with an adorable infant on your arm. Would a 30 Rock baby make the show jump the shark?