There is a type of fortitude that entangles. The spider silently spinning her web has it. Or the grape vine, in Marianne Moore's poem, Nevertheless: “a grape tendril ties a knot in knots till knotted thirty times - so the bound twig that's under- gone and over-gone, can't stir.” This terrifying tenacity suggests the over-dependent relationship between Moore and her mother, Mary. Mary’s invasive presence was described by Alyse Gregory, a family friend: “Mon dieu! What a mother