by Joseph Harris This chapter begins, as so many chapters of my life do, with my stepfather Bill Greene. Bill is the subject of his own document and his own deepening list of stories — he was my mother's second husband, married into our family in 1962, and was the most interesting man I have ever known. He gets a full chapter of his own. For Cinco de Mayo what matters is this: Bill brought Mexican food into a North Carolina kitchen at a moment when no one else in our part of