Mario Cuomo stood at the window of his offices on the 58th floor of One World Financial Center watching a tugboat stream along the Hudson toward the Statue of Liberty. Below, the financial district with its jackhammers and car horn blasts was silent, the sky was a brilliant blue and the waves held white caps. “That one’s mine,” the governor said, pointing to the small island across from Ellis. “Governor’s Island.” I looked toward the Coast Guard base where my husband had once