The Obama campaign has put out a campaign video suggesting that GOP presidential contender Mitt Romney’s work at Bain Capital was partially to blame for the closing of Kansas City’s GST Steel.

The Washington Post has pubished a piece that called Bain “pioneers in the practice of shipping work from the United States to overseas call centers and factories making computer components”.

Just two weeks ago, during a speech in Iowa, Vice President Biden criticized Romney, stating “Mitt Romney, has looked at American workers, has looked at all of you, has looked at the places I come from, has looked at us as part of the problem…The president and I don’t see American workers as part of the problem. We see them as the heart of the solution.”

As the outsourcing accusations pile on, The New York Times columnist Paul Krugman has weighed in. Writing for the Times yesterday, Krugman makes the case for the investigations of Romney’s work at Bain…

Supposedly, his record as a successful businessman should tell us that he knows how to create jobs. And this in turn means that we have every right to ask exactly what kind of a businessman he was.”

And Krugman does just that.

Following an analysis of Romney as a businessman, Krugman concludes:

Romney wasn’t so much a captain of industry as a captain of deindustrialization, making big profits for his firm (and himself) by helping to dismantle the implicit social contract that used to make America a middle-class society."

Read more here.