The City of New York giveth, and it taketh away. On this fine morning when we discover that there’s a proposal to ban smoking from all city parks and beaches we also discover that city parks will be gaining Wi-Fi access points, courtesy of Time Warner and Cablevision, the two big local cable companies. Well, not really “courtesy of,” since there’s a whole bunch of caveats attached to the deal. First thought: we’re about five years past the point where municipal Wi-Fi could be