The Des Moines Register poll sets the standard for Iowa polling. Here's where we are:
Oct. 23-26 (June 19-22)
Cain 23 (10)
Romney 22 (23)
Paul 12 (7)
Bachmann 8 (22)
Gingrich 7 (7)
Perry 7 (N/A)
Santorum 5 (4)
Huntsman 1 (2)
(400 likely Republican caucusgoers, MoE +/- 4.9%.)
My takeaway: this confirms the theory many of us hold that Romney's support has a ceiling. Whether it's anti-LDS sentiment or the HCR/flipflop thing, he just can't seal the deal with conservatives no matter how well he campaigns, and the question is who'll be the not-Mitt candidate after IA, NH, SC and FL.
Of course, four years ago at this time ...
GOP
Romney 29
Thompson 18
Huckabee 12
Giuliani 11
McCain 7
Tancredo 5
Paul 4
Brownback 2
Keyes 2
Hunter 1
Dems
Clinton 29
Edwards 23
Obama 22
Richardson 8
Biden 5