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Rick Perry hasn't given up on South Carolina just yet; in fact, he's sent out new mailers in the state this week hitting at his competitors—including Barack Obama. One of the mailers focuses on Newt Gingrich and Rick Santorum, calling them "Washington insiders" and questioning their conservatism. Gingrich, the mailer proclaims, worked with Freddie Mac for a "quick buck," while Santorum "sold out his conservative principles" by endorsing Arlen Specter in 2004. The other slams President Obama, criticizing his career as a community organizer in comparison with Perry's choice to serve in the Army.