Supreme Court grapples with multibillion-dollar wave of lawsuits over Roundup cancer claims

The Supreme Court seems divided over whether to block thousands of lawsuits alleging the maker of the weedkiller Roundup failed to warn people it could cause cancer. The case came before the justices Monday after a tidal wave of litigation that included some multibillion-dollar verdicts against the global agrochemical manufacturer Bayer, which owns Roundup maker Monsanto. Several justices seemed sympathetic to the company’s argument that it can't be sued under state law because federal regulator...