When Dan Rather retired a year early as anchor of CBS Evening News this March, his departure symbolized the end of an era of liberal media dominance and the onset of the new media era that is proving far friendlier to the ideas and arguments of the Right. Gone are the days when the Big Three networks, plus the New York Times and the Washington Post, decided what was newsworthy, usually with a liberal spin. Even if intrepid bloggers hadn’t debunked Rather’s specious September 60 Minutes II scoop that President Bush shirked his National Guard duties decades ago—a humiliation to...