[KevinTheOmnivore]

I think it's the easiest thing for them to defend against.

Think about it-- If poll numbers are down on your handling of iraq, and you want to get back on the offensive to try to turn it around, do you attack the practical criticism (i.e. Russ Feingold, Chcuk Hagel, and even John mcCain) being thrown at you, or do you pick away at the weakest argument, the one that the American people would probably have the hardest time buying?