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Will Sanford join the GOP field?

From NBC's Mark Murray and Chuck Todd
Is South Carolina Gov. Mark Sanford the latest Republican now dipping his toe in the presidential waters? Today's The State puts it this way: "Sanford says he's not running for president in 2008. That's the official line. But nearly every week there's another sign that Sanford might be running for something."

Sanford might not be eyeing a White House bid as much as other possible GOP candidates like Fred Thompson or even Chuck Hagel, but consider this: that three of the four most-rumored "new" Republican candidates -- Sanford, Thompson, Hagel -- all endorsed John McCain's 2000 campaign.