From Vegas, Inc – At the stroke of midnight Monday, a boycott of the poker room at Sheldon Adelson’s Venetian began. But virtually no change was visible Monday afternoon. Dozens of visitors crowded the tables. The only sign of a boycott was online, where local poker pros took to blogs to rage over Adelson’s aggressive campaign against online gambling. The disgruntled players appeared to be the only ones taking part in the five-day boycott. “This isn’t a fight about profits,” poker insider Nolan Dalla, who sparked the protest in a widely read blog post, wrote June 27. “It’s about making…