The Supreme Court will hear arguments Monday in the Roundup weedkiller case, where tens of thousands of lawsuits have been brought against the manufacturer Bayer, with accusations that exposure to the chemical left claimants with cancer. The case was picked up by the court earlier this year, after Monsanto, the original producer of the glyphosate-infused herbicide asked to overturn the results of a lawsuit that forced it to pay over $1 million to a claimant who alleged that he developed non-