By Charles Karel Bouley I’ve now had the best Po’boy in Las Vegas, vegan or otherwise. It was like a hidden treasure at the end of a hunt, thanks to the maze that is Town Square at Sunset and Las Vegas Blvd. The Po’Boy (and rest of the menu) is the creation of Chef Parker, a San Francisco/Oakland native now calling Las Vegas his home and the vegan, and foodie, communities are all the better for …