Following calls by Rudy Giuliani that Mitt Romney admit that he made a "mistake" during the debate saying that he would consult attorneys before taking decisive action on Iran, Mitt Romney cut an ad to respond:
This illustrates the power of money and paid media. Romney is able to respond to on his own terms, addressing the subject rather than the question/accusation itself. Additionally, he appears "Presidential" in a positive image ad while his press team is out responding to and attacking Giuliani.
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Marc Ambinder's Take
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