Associated Press
In a photo made Wednesday Aug. 29, 2012, construction workers finish the parking lot of the soon-to-open Whole Foods Market in Boise, Idaho. Across the country, aggressive expansion plans by Whole Foods and specialty grocer Trader Joe's, among others, are forcing independent food co-ops, the cradle of the organic retail trade, with roots dating back to the 1970s, to make changes to stay relevant. (AP Photo/John Miller).

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