Strategic Vision is out with a new poll in Iowa (August 17-19, 2007, 600 likely Republican caucus goers and 600 likely Democratic caucus goers, MoE +/- 4.5%). On the Democratic side, it remains a three way tie at the top:

Democrats
Edwards 23 (-3 vs. last poll June 22-24)
Obama 22 (+1)
Clinton 21 (+1)
Richardson 14 (+3)
Biden 5 (+1)
Undecided 13 (-2)

Clinton's lead in the RCP Average in Iowa is now down to 0.8%

On the Republican side, the poll shows Romney surging to a two to one lead over his closest competitor, Fred Thomspon, while Mike Huckabee has moved up into a fourth place tie with McCain:

Republicans
Romney 31 (+8 vs. last poll June 22-24)
Thompson 15 (-2)
Giuliani 13 (-1)
McCain 8 (-2)
Huckabee 8 (+3)
Undecided 13 (+2)

Romney leads by 12.7% in the latest RCP Average for Iowa.

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