Back when blogging was fun, and before I worked for Texas Monthly, I had a blog called Full Custom Gospel BBQ. A group of guys in Austin ran another blog that was similarly dedicated to Texas barbecue, called Man Up Texas BBQ. One of the founders, Drew Thornley, was just as passionate about iced tea as he was about smoked meat, and he shared his reviews via a Twitter account called @IcedTeaSnob. His last review was posted nine years ago, but I thought of him recently when sipping from a Styrofoam cup full of beige water. A Texas barbecue joint called it iced tea, but it tasted more like the former than the latter. I wondered if Thornley, now an associate professor of legal studies…