The  Buffy the Vampire Slayer  star takes on two roles in CW's new drama  Ringer , which airs at 9 p.m. In the show, Gellar plays twin sisters Bridget and Siobhan. Bridget, a stripper and drug abuser who is being hunted by an FBI agent mobs more

Facts must be faced: 'Ringer,' Sarah Michelle Gellar's new identity-switcheroo drama, is a little bit silly. 'Ringer' (9PM ET Tuesday, the CW) isn't terrible. But it's less than it could be, and it has yet to present viewers with compelling reasons for more