It's creepy, it's trampy, it's campy, it's all over the place. FX's American Horror Story certainly qualifies as the damnedest new series of the fall season. But is it damnable, too? Are its two lead producers, Ryan Murphy and Brad Falchuk, brilliant in their abilities to fashion an adrenaline-pumping, commercially sponsored TV show that manages to get away with murder in virtually every way, shape or form?