ODUM -- A picture of a snarling pit bull in front of a Confederate flag hangs over the desk in Dewey Barber's office in this tiny southeast Georgia town. "Protect Our Southern Heritage," it reads."I guess that's pretty appropriate," said Barber, the Dixie Outfitters dude who makes Rebel flag T-shirts.The 55-year-old Barber is bemused over his rising celebrity as an evangelist for a Southern heritage revival.CNN and People magazine have come calling, and Barber recently went to Washington to hire a publicist and an attorney."I'm a bit uncomfortable with it," he said.Five years ago, Barber's business was based in an...