Snow’s BBQ pitmaster Tootsie Tomanetz works the smokers during the Posse’s 10th anniversary trip. (Photo ©Tom Fox/Texas BBQ Posse) Anniversaries are often times of reflection. So it was for the Posse on Saturday when we visited Snow’s BBQ and Louie Mueller Barbecue 10 years after our very first trip to these Central Texas meccas of smoked meat. In many ways nothing has changed. The food was still terrific. Snow’s brisket remains among the best around and my first bite of the beef rib at Louie Mueller’s was the best mouthful of barbecue I’ve eaten in a long, long time. Posse…