Anti-Bain attack continues on Romney with GOP quotes in ad (VIDEO)

A day after President Barack Obama defended his re-election campaign's questioning of Republican presidential candidate Mitt Romney's tenure at Bain Capital, a pro-Obama super PAC released an ad with Republicans attacking Romney on his tenure at the private equity firm, reported Yahoo News.

The ad, from the Priorities USA Action super PAC, shows former rivals of Romney, such as Newt Gingrich, Rick Perry and Jon Huntsman, attacking Romney's record at Bain during the presidential primary season.

In the ad, Gingrich compares Romney to people who "loot companies, leave behind broken families, broken towns, people on unemployment," and Perry calls them "vulture capitalists." Even tea party favorite Sarah Palin says questioning Romney on his claims of creating 100,000 jobs is not negative campaigning. The clip, taken from an appearance on Fox News, shows her saying, "That's fair to get a candidate to be held accountable," according to Yahoo News.

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Yesterday, while speaking at a news conference after the NATO summit in Chicago, Obama addressed criticism about his campaign's decision to attack Romney's Bain record. According to the Associated Press, he said, "This is not a distraction. This is what this campaign is going to be about — is what is a strategy for us to move this country forward in a way where everybody can succeed?"

Romney said, "What this election is about is the 23 million Americans who are still struggling to find work and the millions who have lost their homes and have fallen into poverty," according to the AP.

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John Sununu, a Romney adviser, said on Tuesday that the Obama campaign was cherry-picking investments in Romney's tenure at Bain which were unsuccessful, according to Reuters. Sununu said, "I think the Bain record as a whole is fair game," but added that it should be an "honest evaluation."

House Assistant Democratic Leader James Clyburn, a Democrat, criticized Romney's record on Tuesday, while appearing on MSNBC. Alluding to criticism of the Obama campaign's approach, he said, "This is not an attack on free enterprise," according to The Washington Post. He added that "there’s something about raping companies and leaving them in debt and setting up Swiss bank accounts and corporate businesses in the Grand Caymans — I have a real serious problem with that."

Super PACs supporting both Obama and Romney released ads attacking the other over economic issues, said the AP. The ads will mainly show in swing states.

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Here is the ad featuring Republicans criticizing Romney's tenure: