In 2008, half the people who watched the Fox News Channel were over sixty-three, which is the oldest demographic in the cable-news business, and, according to a poll, the majority of the ones who watched the most strident programs, such as Sean Hannity’s and Bill O’Reilly’s shows, were men. All that chesty fulminating apparently functions as political Cialis. Fox News shows should probably carry a warning: Contact your doctor if you have rage lasting more than four hours.

By effectively cornering the market on anti-Administration animus, Fox News has had a robust 2009 so far, and the recent decision by the White House to declare war on the channel is not likely to put a dent in the ratings. That decision has dispirited some of the President’s...