Posse member Tom Fox photographs a tray of BBQ at Louie Mueller in Taylor. A barbecue blogger last week weighed in on his role in assembling the latest Texas Monthly list of the Top 50 Barbecue Joints in Texas. Actually, the blogger, Jimmy Ho, didn’t weigh in. “I did help contribute to the list,” he wrote, but he added, “I am not going to write about any of the places I visited on my blog.” (I’m guessing that maybe his arrangement with Texas Monthly prohibited him from using his work for the magazine on his own blog, but that’s just…