The gift that keeps on giving.

(Politico) — Vice President Joe Biden offered a defense Tuesday of the Obama campaign’s questioning of Mitt Romney’s business experience, saying that the Republican candidate’s specific experiences are what make him a bad fit for the Oval Office.

“Your job as president is to promote the common good. That doesn’t mean the private equity guys are bad guys. They are not,” he said in a campaign speech in Keene, N.H. “But that no more qualifies you to be president than being a plumber. And, by the way, there are a lot of awful smart plumbers.”