Wow. Jeff Zeleny. At the New York Times:
.... The ratio of negative ads, which are defined as those in which a campaign mentions its rival by name, tells the story.
Since April, after Mr. Romney became the presumptive nominee, Mr. Obama broadcast negative commercials 118,775 times compared with 56,128 times for positive commercials.
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" The president’s prospects for re-election now rest in part on one of the biggest gambles of his career: that the benefits of trying to eviscerate Mr. Romney outweigh the costs to his own image and reputation."