(August 14, 2023, 7:19 AM EDT) -- EAST ST. LOUIS, Ill. — Chevron Corp. and its codefendants filed an opposition brief in Illinois federal court arguing that a man suing the companies alleging injuries from exposure to the pesticide paraquat should have his lawsuit dismissed for “utter lack of diligence” because he failed to comply with a case management order regarding the deadline for filing specific documents....