In this May 22, 2011 photo, a woman buys cooking oil at a street market in Achacachi, Bolivia. Corn and sugar farmers worried as their crops withered last year during a drought that was the worst in ... more 
In this May 22, 2011 photo, a woman buys cooking oil at a street market in Achacachi, Bolivia. Corn and sugar farmers worried as their crops withered last year during a drought that was the worst in 20 years. But the drought was only the start of their problems: Farmers said they were hurt just as much by price controls that eliminated profits and by other government policies including farm seizures and restrictions on exports. (AP Photo/Juan Karita) less 
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Associated Press | Photo By Juan Karita
Sun, Jun 19, 2011 3:03 PM EDT