( June 4, 2024, 5:08 PM EDT) -- RALEIGH, N.C. — The plaintiffs leadership group (PLG) in the Camp Lejeune water crisis litigation has filed an opposition brief in North Carolina federal court contending that because its expert, Christopher Portier, will provide “highly relevant testimony that is critical” to the case, the court should deny the U.S. government’s motion for a protective order to prevent Portier’s deposition....