One other thing: the media perception that Kerry is way behind is actually not a bad thing for him at the moment. Later it would be, because of bandwagoneering, but right now it's Kerry that's being "misunderestimated", just as he was when Dean was leading the pack.
Plus, if Ruy is right, those polls are highly deceptive, implying that the current "Bush lead" has more to do with the problem of identifying "likely voters" than anything substantial. The "come from behind" position married with reasonably good polling numbers?
That's not a bad place to be.