Face off! Masks of Britain's royals flying off shelves

Spotted: Kate Middleton running the London marathon! Well, not Kate exactly, but goofy runners in lifelike cardboard masks. Costume masks of Britain's royal family are flying off the shelves nationwide ahead of Prince William's April 29 wedding to Kate Middleton. And with Britons taking no pains to, well, mask their excitement about the wedding, the bride-to-be's face has been popping up in the mo