It appears that the Dolan family, who control Cablevision and "entertainment assets" such as the Rangers, Knicks, Madison Square Garden, some TV and radio networks, etc., want to spin off the entertainment group while retaining 20% ownership. They would like to take Cablevision itself private- meaning the retention of this company by the Dolan family at a 100% ownership level. They believe their entertainment assets' value is being pulled down by Cablevision. Who agrees? Read more here.