Marketing Beauty and The Bucks

They're beautiful, that's obvious. But they have something else: presence, or maybe allure, fascination or magic. Whatever it is, it hits the instant one sees Naomi Campbell in a yellow totem gown, a Nefertiti of the '90s. Or Linda Evangelista looking like a Scottish schoolgirl on the cover of Vogue. Or Christy Turlington gazing serenely from an ad for Calvin Klein's Eternity perfume. Naomi. Linda. Christy. They're everywhere. Vogue, Elle, feature pages, ad pages, gossip pages. Selling couture and catalogs, soap and sportswear. And during the fall fashion shows these three have sashayed their impossibly sleek, improbably long-legged frames down the...