Proponents for improved human nutrition and a better environment advocate that humans eat more plant proteins and less animal meats. An entire industry is being built to make analog meats from plant protein sources. Yet Mother Nature has already packaged together plant sources with high levels of protein, plus healthy fats like monounsaturated ad polyunsaturated fats. Moreover, production and consumption of these natural plant protein sources have been growing rapidly. The sale of almonds and pistachios has been growing at better than 4.5 percent per year. Walnuts, of which China is the world’s largest producer, have been expanding at a 4 percent annual rate.  While peanuts (aka groundnuts) are a grain legume and an oilseed, it...