Smokers sit in the burned out smokehouse of Austin’s Franklin Barbecue in early October. (Photo ©Gary Jacobson/Texas BBQ Posse) Call it serendipity. I stopped by Franklin Barbecue near downtown Austin this morning just to check on rebuilding progress since an August fire closed the place. And there was Aaron Franklin, red socks and all, talking barbecue to a couple in a big SUV. “They’re from Wisconsin,” Franklin told me, smiling, after he had finished. Yes, the most famous pit master in the world, even in the midst of major reconstruction, still makes time for his fans. The news from this…