Facing an electoral drubbing, Republicans are now questioning the accuracy of Rasmussen polls, pointing out that they're automated--conducted via robocall rather than live interview.
As Kos notes, however, automated polls have a pretty good track record as of late.
I don't know enough to have a dog in this fight. But for what it's worth, my gut tells me that the ten point margin in the most recent Rasmussen survey, if anything understates Sen. Collins' advantage.
And so her lead seems more likely to expand than contract in the next survey.
But that's just one guy's gut. We'll have to wait and see.