Is the MSM getting more liberal?

Judge Posner says economics and technology are forcing the newspapers to cover their niche.

consider a town that before the advent of television or even radio had just two newspapers because economies of scale made it impossible for a newspaper with a small circulation to break even. Each of the two, to increase its advertising revenues, would try to maximize circulation by pitching its news to the median reader, for that reader would not be attracted to a newspaper that flaunted extreme political views. There would be the same tendency to political convergence that is characteristic of two-party political systems, and for the same reason - attracting the least committed is the key to obtaining a majority.

One of the two newspapers would probably be liberal and have a loyal readership of liberal readers, and the other conservative and have a loyal conservative readership. That would leave a middle range. To snag readers in that range, the liberal newspaper could not afford to be too liberal or the conservative one too conservative. The former would strive to be just liberal enough to hold its liberal readers, and the latter just conservative enough to hold its conservative readers. If either moved too close to its political extreme, it would lose readers in the middle without gaining readers from the extreme, since it had them already.

But suppose cost conditions change, enabling a newspaper to break even with many fewer readers than before. Now the liberal newspaper has to worry that any temporizing of its message in an effort to attract moderates may cause it to lose its most liberal readers to a new, more liberal newspaper; for with small-scale entry into the market now economical, the incumbents no longer have a secure base. So the liberal newspaper will tend to become even more liberal and, by the same process, the conservative newspaper more conservative

The New York Times could become a big version of the American Prospect.New York Times