Dreaminonempty at DailyKos has posted an interesting graphic based on a recent "Survey USA" poll on George Bush's current popularity. At this present moment in time, it appears that Bush has the support of the majority of people who live in:
If these numbers translate to votes in the Midterm Election, there will be a marked swing to the Democrats. The only question that remains is what this swing will be. There will always be some margin of error between polling and actual election results, but with a large swathe of states disapproving of the president by 55% or more I think that the result could be a rather substantial Democratic victory in the Senate.
Click here to see the graphic in full size.