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Politics Rick Santorum sweater vest: 'What not to wear' or sleeveless genius?

Rick Santorum's sleeveless sweater vest has taken on a life of its own this week, even garnishing its own Twitter account. Candidates' sartorial choices many times take on special significance.

David Goldman/AP

It’s not often that a political candidate’s fashion choices take on a life of their own – they are after all, supposed to be  plugging more, well, substantial stuff. But, the weekend before the New Hampshire primary Tuesday, the sleeveless sweater vest that former Pennsylvania Sen. Rick Santorum put on the map has become a hot Internet and retail item, with sellers from Amazon to Joseph Banks experiencing a rush in customer demand.