Paul Wise, left, and David Phelps unload half a pig from the pit at Buxton Hall Barbecue in Asheville, N.C. (Photo ©Gary Jacobson/Texas BBQ Posse) Make no mistake. I’m partial to Texas style barbecue. Nothing compares. But when in Rome, or in this case Asheville, N.C., it’s O.K. to be venturesome. We weren’t disappointed. As we walked into Buxton Hall Bar-B-Cue just after 2 p.m. on a recent weekday, we immediately got a glimpse of barbecue as performance art. Workers lifted half a pig off the pit and put it on a cooling table with the other half. “As a…