(March 24, 2023, 11:26 AM EDT) -- CHICAGO — The 3M Co. has removed to Illinois federal court a lawsuit filed by the state of Illinois against the makers of per- and polyfluoroalkyl substances (PFAS) as it is used in the firefighting agent known as aqueous film forming foam (AFFF), contending that removal is proper because it is being sued for acts undertaken at the direction of a federal officer....