What has happened to the news? Over the past decade, there has been a major shift in newspaper coverage. Many newspaper executives, paring costs and badly misreading public appetites, have cut back dramatically on all types of public-affairs reporting. Fewer reporters than ever are assigned to the statehouse or the White House, to city hall or foreign capitals. Too often celebrity gossip and movie tips take the place of serious journalism instead of existing alongside it. Newspapers once operated under a mandate to provide the kinds of news that citizens need to function in a democratic...