Agency's researchers had concluded chlorpyrifos posed a health risk
                                
                                
                                    (Newser) -
                                    EPA chief Scott Pruitt has decided not to ban a common pesticide, bucking the agency's own research that the compound posed a health risk to children and farm workers, the  New York Times  reports. Chlorpyrifos, or Lorsban, has been used for five decades on dozens of crops including broccoli...