Cablevision's rosy vision for Newsday

Cablevision’s bold plan to purchase Newsday will test as never before the concept – and the economics – of the hyper-consolidation of local media by a single company. Don’t count on it succeeding.By adding the dominant Long Island daily and the free amNewYork to the largest and most highly concentrated cluster of cable systems in the country, Cablevision has the potential to become nearly all