The article, as published: http://www.elephantjournal.com/2013/10/food-insecurity-nyleen-lacy/
(I think you'll have to copy and paste this URL, for reasons unknown.)
On Depression Era Cooking: http://www.youtube.com/user/
On farmer's markets: http://billmoyers.com/content/
Wendell Berry, full PBS interview: http://billmoyers.com/episode/
Clean eating on a tight budget: http://eatlocalgrown.com/
Here is a link of how to start a food coop that might be helpful.