This Saturday, DC 101 is once again hosting its annual Chili Cook-Off, that popular concert, food and drink festival of gong show proportions that benefits the National Kidney Foundation. Tickets are sold-out, but for those of you who already got yours or are willing to brave the wilds of craigslist to score some, be sure to stop by the judging area and say hello to myself and DCist Food Editor Adam Bailey. Adam will be…