Dallas is a city in desperate need of great barbeque. The chains are on every corner, but I'm talking GREAT barbeque. You have Meshack's, oops, that's in Garland. What about Randy's BBQ? That's in Red Oak, doesn't count. Fort Worth had some great joints, but that ain't Dallas either. It's been pretty lonely for the Baby Back Shak over the past few years, reigning as the best joint in Dallas. Enter Pecan Lodge at the Dallas Farmer's Market. Once again, Daniel Vaughn and his Full Custom Gospel BBQ blog blazes the trail when it comes to new and upcoming BBQ…