(Newser) -
John McCain's tough TV spot, which attacks Barack Obama for backing out of a visit to US troops in Germany because he couldn't bring TV cameras along, has become one of the most widely seen ads of the campaign. That's pretty impressive, considering it only aired as a paid commercial about a dozen times. The negative ad is a PR coup for McCain, writes the New York Times , now that it's been featured endlessly—and for free—on TV news.
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