EPA Attacks Fluoride Plaintiffs’ Witness After Daubert Motion Fails

As the landmark trial over whether EPA must regulate fluoride under the federal toxics law resumed June 12, agency lawyers attacked Dr. Kathleen Thiessen, a key witness for the plaintiffs, after the federal judge overseeing the case denied their renewed attempt to preclude her testimony. In the first-time case, Food & Water Watch, Inc. et al v. EPA , the plaintiffs are seeking to make their case to Judge Edward Chen that fluoride added to drinking water poses an “unreasonable...