After the Food and Drug Administration announced a seasonal ban on cilantro imports from the Puebla state of Mexico, Walmart and Kroger are pulling cilantro grown in that region from store shelves as a precaution. Evidence points to the cilantro as a culprit in outbreaks of cyclosporiasis, a gastrointestinal illness, and an FDA investigation turned up evidence of sanitation problems in the fields where cilantro is grown. [More]