There is, writes Virginia Postrel in her column on Forbes.com, 'something about blogs [that] makes a lot of respectable journalists hyperventilate. News pros seem terribly threatened by online amateurs.' As an illustration she quotes a Los Angeles Times columnist, David Shaw, an über-hack who won a Pulitzer Prize in 1991 for his media criticism. Blogging, Shaw writes, is a 'solipsistic, self...