The pit fires burn at Lewis Barbecue in Charleston, South Carolina. (Photo ©Darren Carroll) Barbecue maestro John Lewis manages a staff of 60 at his restaurant — Lewis Barbecue — in Charleston, S.C. “Yeh, it’s a big place,” he said recently. “We’re open 11 hours a day. Sometimes it’s crisis central. Most of the time it’s just management.” In the world of smoked meat, the term “legend” sometimes gets tossed around too easily. John Lewis, though, legitimately deserves the tag. In Austin, he assisted Aaron Franklin back in Franklin Barbecue’s embryonic trailer days. And Lewis later helped make la Barbecue…