Rumor: Sen. John McCain's Iowa field staff is quietly helping Sen. Sam Brownback recruit supporters for the Ames straw poll. The goal is to drive down Mitt Romney's margin of victory. Similarly, Rudy Giuliani's campaign is quietly helping Mike Huckabee -- for exactly the same reason.

Truth: Untrue, although free lance operators may have arrived at the same strategic insight. There's no official help flowing from either McCain's campaign or Giuliani's campaign.

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