Barnes claimed Monsanto, the manufacturer of Roundup, downplayed the negative health impacts of the product’s ingredients.

Monsanto has settled a $2 billion court case alleging its Roundup weedkiller caused a Georgia man's cancer. The verdict was the second largest in the state.

Barnes previously said there should have been more warnings about “defective and unreasonably dangerous products.” ...

The world’s most widely used weedkiller is confronting legal battles as well as a cat-and-mouse game with nature. But it’s ...