Richard Perry/The New York Times

A worthy and overlooked story in the NYT by Elizabeth Rosenthal about a new economic riptide hitting Central America, a result of America's changing corn policy. The US is now using 40% of our own corn crop to produce biofuel, and tortilla prices have doubled in Guatemala, which now imports about half of its corn.

"Recent laws in the United States and Europe that mandate the increasing use of biofuel in cars have had far-flung ripple effects, economists say, as land once devoted to growing food for humans is now sometimes more profitably used for churning out vehicle fuel."

Read the rest, and check out Richard Perry's photo slideshow.