Last week brought Showtime's bawdy family comedy "Shameless," in which that show's British creator relocated his original script to Chicago with only minor changes. Tonight brings two more: Syfy's "Being Human" (9 p.m.), about a werewolf, a vampire and a ghost who wind up sharing the same apartment; and MTV's "Skins" (10 p.m.), a raunchy high school soap about a group of hedonistic teenage friendsUS NEWS PAPER
