>We have a winner: Madeleine Stowe is the fall’s outstanding villainess. On the new ABC melodrama Revenge (Sept. 21, 9 p.m.), she’s Victoria Grayson, a voluptuous ice queen who rules the Hamptons. She’s also the bull’s-eye in the concentric circles of vengeance plotted by Emily VanCamp, whose father was ruined by Victoria and her circle. VanCamp goes about her business with a purse-lipped Jodie Foster earnestness that makes her hard to root for. But Stowe coos, scowls, flirts and thunders. She roils Revenge.