As the scythe of scandal continues to cut off the careers and other vital parts of reporters and editors at the nation's major newspapers, those of us who peddle opinions for a living rather than facts are starting to get nervous. When will the spotlight turn on us? Every time another malefactor is exposed, we feel a chill and think we hear the tumbrels roll. We know in our hearts that we are uniquely vulnerable.
We opinionistas are a diverse bunch: newspaper editorial writers draped in cardigan sweaters and clutching pipes, columnists dictating a few trenchant paragraphs on cell phones while...