An ancient cuisine is hoping to attract new fans in downtown Los Angeles: Shojin, an organic Japanese restaurant whose menu is inspired by Buddhist vegetarian principles, has opened in Little Tokyo. Traditional "shojin" cuisine is a plant-based, essentially vegan diet, which Buddhists adhere to as a form of spiritual discipline. So, of course, what better theme for a trendy new Downtown restaurant? I kid, I kid: but the menu is bound to appeal to......