The Tortoise And The HareThe re dipping of dishes was a small matter, but the emotional texture of married life is made up of small matters. This one had become invested with a fatal quality. Imogen, the beautiful and much younger wife of distinguished barrister Evelyn Gresham, is facing the greatest challenge of her married life. Their neighbour Blanche Silcox, competent, middle aged and tweedy the very opposite of Imogen seems to be vying for Evelyn's attention. And to