| Time Warner and Comcast, two of America's biggest cable companies, announced a $45 billion merger and consumer groups are concerned it would have unprecedented "gatekeeper" power to control content.

Time Warner and Comcast, two of America's biggest cable companies, announced a $45 billion merger. If approved, the combined company would reach 66 percent of the country, and consumer groups are concerned it would have unprecedented "gatekeeper" power to control content. Anthony Mason reports. Air Date: Feb 13, 2014