Marc Ambinder suggests that the latest Newsweek poll,
showing Huckabee way out in front in Iowa, may actually help Romney
by lowering expectations for the caucuses. I think that's right,
and I'd also add this: Newsweek's pollsters have had a
consistently lousy track record over the past several election
cycles. Their methodology seems to encourage wild swings that don't
show up in other polls. This poll may therefore drive the CW to
discount Romney's chances by an overstated margin.