Food production is a topic that affects everyone. The ironic thing is that often times the "experts" according to much of society are people who know nothing of the economics and dynamics of how American farmers provide a safe, wholesome, and affordable supply for us all. Individuals like Michael Pollan in "The Omnivore's Dilemna" spout detrimental untruths and misunderstandings about our food system, yet have more influence on society than those who are actually producing the food!
Below is a link to an article that is extremely well written and will answer any questions you might have about food production. Here's to us all making a concerted effort to listen to those who are "in the trenches" rather than out-of-touch individuals who have a talent for "spin" (applicable concept for just about anything: politics, religion, ag, etc.).