Glamour is one of the most tantalizing and bewitching aspects of contemporary culture - but also one of the most elusive. The aura of celebrity, the style of the fashion world, the vanity of the rich and beautiful, and the publicity-driven rites of caf society are all imbued with its irresistible magnetism. But what exactly is glamour? Where does it come from? How old is it? And can anyone quite...