Members of the US supreme court peppered lawyers for the former Monsanto Company with a barrage of questions over pesticide regulation on Monday, wrestling over whether federal law pre-empts state actions that permit consumers to sue companies for failing to warn of product risks such as cancer.
The case, Monsanto v Durnell, centers on glyphosate – a weedkilling chemical used in the popular Roundup brand and numerous other herbicide products sold by the former Monsanto company, which is now owned by Germany’s Bayer.
