Original sentence: In 2003, the EPA classified the herbicide as "not likely" to cause cancer in humans, stating it did "not find any results among the available studies that would lead us to conclude that a potential cancer risk is likely from exposure to atrazine
Edited sentence: In 2003, the EPA (headed by Bush-appointee Christine Whitman), classified the herbicide as "not likely" to cause cancer in humans, stating it did "not find any results among the available studies that would lead us to conclude that a potential cancer risk is likely from exposure to atrazine