At the Academy Awards on Sunday night no one will be surprised if Glenn Close walks away with the Oscar for best actress for her role in The Wife. The 71-year-old actress is outstanding as Joan Castleman, the wife of a celebrated author who has just won the Nobel Prize in Literature. Joan is the copybook helpmeet — devoted ally and personal assistant rolled into one. She is a loving wife, mindful of her husband’s health and his smallest needs, picking up after him and even signalling to him discreetly at parties when his beard gets festooned with crumbs. After