"Literature has always been concerned with questions of kinship, love, marriage, desire, family relationships. The central and privileged stories have tended to assume that desire will be desire between girl and boy. Obstacles are thrown in the way of desire. In Shakespeare's Romeo and Juliet (1597), the heroine and hero cannot marry because their families, the Montagues and the Capulets, are feuding. The obstacles which stand in the way of same-sex...