It’s no secret that media companies are pretty worried about the repercussions of letting Comcast and Time Warner Cable merge. But what is a big secret are the agreements that those companies have with Comcast and TWC right now. They’re so secret, in fact, that networks are refusing to share any data with the FCC because they’re afraid their rivals might benefit from it. And that’s a problem, because without that data, the FCC is missing one of the key tools it should have in its toolbox as it evaluates the merger. [More]