"Figure 1: Graph showing the "red shift" between 2004 US General Election exit polls & the actual 2004 US Election results. In the data which is shown below in tabulated form, and above in graph form, we can see that 42 of the 51 states in the union swung towards George Bush while only nine swung towards Kerry.

"There has to date been no official explanation for the discrepancy."

(And in a somnambulant country, unlike, for example, Ukraine, there's little impetus for an official to go there.)