(April 28, 2022, 2:13 PM EDT) -- EAST ST. LOUIS, Ill. — A couple, the husband of which suffers from Parkinson’s disease, on April 26 sued the makers of the pesticide paraquat in Illinois federal court contending that they are liable for his injury because of their “knowing and active fraudulent concealment” regarding the dangers of paraquat, which he says the defendants falsely represented as safe....