culture Leo Nguyen CABLE TV MOGUL, CHARLES DOLAN, DO, DOLAN, ENTERTAINMENT, FELIX GILLETTE, FILM, GARDEN, GERALD LEVIN, HBO, HOLLYWOOD, INTERVIEW, JOHN KOBL, LONG ISLAND, MANHATTAN, MEDIA CRITICISM, NEW YORK CITY, NEW YORK RANGERS, NORTH AMERICA, SQUARE, STERLING MANHATTAN, TELEVISION, THE GREEN CHANNEL, UNITED STATES Charles Dolan, HBO Pioneer and Cable Television Visionary, Dies at 98