Zogby released Iowa numbers on the Dems yesterday. Today, it's the GOP's turn (August 17-18, 2007, 487 likely Republican caucus goers, MoE +/-4.5%):

Republicans
Romney 33 (+14 versus May 15 poll)
Giuliani 14 (-4)
F. Thompson 12 (+3)
Huckabee 8 (+6)
McCain 6 (-12)
Brownback 4 (+2)
Tancredo 3 (nc)
Paul 3 (+3)
Undecided 14 (-8)

Romney now leads by 11.6% in the RCP Average for Iowa.

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