The AP reports on the Obama campaign's new ad responding to McCain's VP pick:
Democratic presidential candidate Barack Obama begins airing an ad Saturday that responds to rival John McCain's selection of a running mate, carefully avoiding any direct criticism of Sarah Palin, the Alaska governor whom McCain chose for the GOP ticket.
Obama's campaign promptly created the spot in advance of next week's Republican National Convention. The ad, called "No Change," sought to sustain the theme that Obama and Democrats worked to cultivate at their own convention this week -- that McCain represents a continuation of the policies of an unpopular President Bush.
Watch the ad:
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