A new Strategic Vision poll in Iowa has Huckabee leading by 6 points, while the three leading Democrats fall within 3 points of each other.

Republicans (Dec. 16-18, 600 GOP LV, MoE +/-4.5%)

Huckabee 31 (+1 vs. last poll, Dec. 8-10)
Romney 25 (even)
Thompson 16 (+3)
McCain 8 (+3)
Giuliani 6 (-4)
Paul 5 (+1)

Huckabee holds a 5.2-point lead in the RCP Average in Iowa

Democrats (Dec. 16-18, 600 Dem LV, MoE +/-4.5%)

Obama 30 (-3 vs. last poll, Dec. 8-10)
Clinton 27 (+2)
Edwards 27 (+3)
Biden 5 (+1)
Richardson 3 (-1)

Obama and Clinton are tied at 28.3% in the RCP Average in Iowa