There are a number of individuals finding a variety of things to criticize about the way food is produced, distributed and consumed. There is also another faction that is critical but for entirely different and conflicting reasons. They are the disciples of 18th century economist Thomas Malthus.When we were young, if one had a really strong interest in food beyond what was for dinner that evening, one could get involved in farming, the movement and marketing of food’s raw materials, its manufacturing, distribution and retailing or the associated complex sciences. All of those career choices are still available today, and they have apparently become increasingly popular among graduates from land-grant universities. However, there is another...