Lockhart Smokehouse owner Jeff Bergus was working the front of the house during the Posse’s visit to his Oak Cliff joint Saturday afternoon. When new customers arrived, he asked if they had ever been to his place before. If no, he immediately escorted them to the meat-ordering counter in the back. After a while, he sat down at the Posse’s table and chatted. We asked how business has been since his place received a one-star food review from The Dallas Morning News a few weeks ago. A framed copy of the review hangs on one wall, along with copies of…