Scott Rasmussen has a poll of Iowa's gubernatorial race that just generally seems a lot more realistic than the nonsense in the recent KCCI poll. Unfortunately it is a lot less interesting, with everyone within the margin of error. He also fails to include Fallon, which is disappointing. (You can email Rasmussen Reports if you want to ask them why they didn't include him.)
Still, I don't think this can be interpreted as anything but good news. Early thoughts on the race were that Nussle would have a big advantage. Right now that doesn't seem to be the case. As time goes on and people realize the damage Nussle has done in DC, The Democratic nominee will have an opportunity to pull away.