FRIDAY, FEBRUARY 5 8 p.m., CBS Ghost WhispererComedian Margaret Cho guest-stars as Ned's (Christoph Sanders) Occult Anthropology professor who is haunted by the ghost of a secret admirer. Wait, where the hell did Margaret Cho come from? 8 p.m., CW SmallvilleIn this two-hour episode, Clark (Tom Welling), Chloe (More >>