Cat's PawMartin Greenough's walled off mansion is the last remaining holdout in the Boston parkland known as the Fenway and the fact that it eluded condemnation by the city is a testament to the elderly bachelor's great wealth. Childless and nearing the end of his life, he surrounds himself with only his cat, his servants, and a friend, Mrs. Warden to say nothing of the circle of extended family members whose lives he both subsidizes and rules from afar, the