Tunisians wait outside a bakery to buy bread in Tunis earlier this month. Hassene Dridi/AP hide caption

toggle caption Hassene Dridi/AP

Volunteer gleaners pick squash at Jackson Farms in Pikeville, Tenn. Blake Farmer/WPLN hide caption

toggle caption Blake Farmer/WPLN

Sales of bison meat like this sirloin steak have risen in recent years, as more consumers look for red meat that is lower in fat and cholesterol than most beef. Larry Crowe/AP hide caption

toggle caption Larry Crowe/AP

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