In the huge wake left by the Des Moines Register poll last night, CNN is out with its own survey in Iowa this am (Dec 26-30, 482 Dem LV, 373 GOP LV, MoE +/-4.5%). On the Democratic side, Clinton leads Obama by 2 points, while Edwards has slipped back in the last two weeks:

Democrats
Clinton 33 (+3 vs. last poll Dec 14-18)
Obama 31 (+3)
Edwards 22 (-4)

Clinton still leads by 1.6% in the RCP Average for Iowa.

On the Republican side, CNN shows a net eleven point swing in Romney's favor over the last two weeks, with Thompson rising into third:

Republicans
Romney 31 (+6 vs. last poll Dec 14-18)
Huckabee 28 (-5)
Thompson 13 (+4)
McCain 10 (+1)
Giuliani 8 (-3)
Paul 8 (+2)

Huckabee leads by 0.4% in the RCP Average for Iowa.