The Huffington Post, an Internet blog that debuted May 9 after a campaign that would have delighted P.T. Barnum, makes me nostalgic for the good old days of journalism. It isn't that its founder, Arianna Huffington (who named it for herself in true Hollywood "enough about me, not what do YOU think about me" fashion) doesn't have every right to join the increasingly clogged blog superhighway. Rather, this blog has an agenda and speaks mostly to people who already believe what most of its writers say. In The Huffington Post, the musical genius Quincy Jones explains that Michael Jackson's problem...