About an hour ago I got an email from David Axelrod, senior adviser to the Obama 2012 campaign. The title: "What Barak Said About Barack." The email is a great example of narrowcasting. If you're Jewish, you probably know how Barak (Ehud, the former Labor Prime Minister of Israel) is. If not, well, you probably didn't get the email. Why would the Obama campaign be sending out a Friday afternoon (don't they know it's almost Shabbos?) email about Israel? I don't know, but I presume they're either worried about Obama's standing with his Jewish supporters and/or concerned about the escalating tensions in the Middle East and the coming clash in the United Nations over Palestinian statehood. In either event, the e-mail reads...