Walmart now captures $1 of every $4 Americans spend on groceries. It's on track to claim one-third of food sales within five years. Here's a look at how Walmart has dramatically altered the food system -- triggering massive consolidation, driving down prices to farmers, and leaving more families struggling to afford healthy food.
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Stacy Mitchell is a senior researcher with the Institute for Local Self-Reliance. She is the author of Big-Box Swindle and also produces a popular monthly newsletter, the Hometown Advantage Bulletin. Catch her recent TEDx Talk: Why We Can't Shop Our Way to a Better Economy.