Cable television has long been viewed as a stagnant business, showing little promise for growth over the years. However, Comcast believes it has found a new growth opportunity.On Wednesday, the company announced that it’s spinning off NBCUniversal’s cable television networks — such as CNBC, E!, Golf Channel, MSNBC, Oxygen, SYFY, and USA Network — into a separate publicly traded company. It’s also including digital assets like GolfNow, Fandango, Rotten Tomatoes, and Sports Engine. This bold spin-off strate ...