Norma Figueroa, left, sits with her children and Oshin Onofre, right, in the town of La Oroya, Peru, on Tuesday, March 19, 2013. Most of La Oroyaís children suffer elevated lead levels, according to the Peruvian government. The question of responsibility for lead pollution in La Oroya is at the center of high-stakes clash between Peru and U.S. billionaire Ira Rennert, who owned Doe Run Peru for more than a decade through Renco Group Inc., a metals, mining and industrial conglomerate based in New York that has said it is not responsible for the childrenís ills. Photographer: Meridith Kohut/Bloomberg via Getty Images
{"Image ImageDescription": "Norma Figueroa, left, sits with her children and Oshin Onofre, right, in the town of La Oroya, Peru, on Tuesday, March 19, 2013. Most of La Oroya?s children suffer elevated lead levels, according to the Peruvian government. The question of responsibility for lead pollution in La Oroya is at the center of high-stakes clash between Peru and U.S. billionaire Ira Rennert, who owned Doe Run Peru for more than a decade through Renco Group Inc., a metals, mining and industrial conglomerate based in New York that has said it is not responsible for the children?s ills. Photographer: Meridith Kohut/Bloomberg via Getty Images", "Image Copyright": "2013 Bloomberg"}