Wal-Mart Shifts Strategy to Promote Healthy Foods

http://www.nytimes.com/2011/01/20/business/20walmart.html?pagewanted=all

Wal-Mart sells more groceries than any other company in the country, and because it is such a large purchaser of foods produced by national suppliers, nutrition experts say the changes could have a big impact on the affordability of healthy food and the health of American families and children.