[Massimo75]

The difference between now and last week is that Obama improved a lot his numbers among democrats in Rasmussen internals. Today internals: Romney GOP 88% DEM 10% IND 52%; Obama GOP 10% DEM 89% IND 43% Now compare this with October 23 internals (when Romney was +4) Romney lost 5 points among democrats, Obama gained 7. Rasmussen has apparently a sample with Dem at 38-39%. This 12 points swing among democrats means a difference of 0.12*38 = 4.56% or 0.12*39 = 4.68% And that's why Romney is not any longer up by 4 but tie.

[Citizen of the Savage Nation]

Well, that does explain this poll somewhat. Now, we have the issue of whether or not R’s support from Republicans is really 87%, or in fact, higher. If it is higher, which I would expect, it puts him back up by a point at least.

Then, Ras is using a +2 D sample. Whether that is correct remains to be seen. I think this race will be close...not 2000 close, but 2004 close, and that Romney has the edge.