The fight over the image of agriculture, livestock and the food industry has been ongoing for quite some time, but the battlefield is changing. Social media, internet blogs and general guerilla marketing are now the forums of debate.I ventured into a Chipotle restaurant this weekend while on a family outing and was waited on by employees wearing shirts with slogans such as:

You Don't Need rBGH to Spell Sour Cream or Cheese Additives are Subtractive Pork from Farmers Not Factories

According to an online nutrition calculator, the burrito they served me had 850-calories that generously provided 103 percent of my daily sodium requirement. (I took a pass on the extra sour cream, guacamole and chips that would have made it a 1,690 calorie...