You're right that Bush is more popular in Nebraska than in the country as a whole ... according to SurveyUSA, George W. Bush has a 52 percent job approval rating in Nebraska.
http://www.surveyusa.com/client/PollTrack.aspx?g=5008e5be-069f-4250-ac20-3d7a7619d935
But ... Chuck Hagel has a 59 percent job approval rating.
http://www.surveyusa.com/client/PollTrack.aspx?g=0c9c08bb-f403-486a-9a60-4dbef1189a04
Senator Hagel will probably survive 2008 if we're still in Iraq. But, I see a quite a few Republican Senators who look like they'll be vulnerable.
Why do I have to live under Democrats because the Iraqis cannot stand up and defend their country?