A field of flowering Ranger russet potato plants is pictured near Wilder, Idaho, on Wednesday, June 12, 2013. In a lawsuit moved to Idaho federal court this week, a U.S. wholesale grocery cooperative

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A field of flowering Ranger russet potato plants is pictured near Wilder, Idaho, on Wednesday, June 12, 2013. In a lawsuit moved to Idaho federal court this week, a U.S. wholesale grocery cooperative has sued the United Potato Growers of America, alleging the group's members in 15 states are illegally fixing prices and driving up costs. (AP Photo/John Miller) less 

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Associated Press
Fri, Jun 14, 2013 3:12 PM EDT