In Roundup Case, the Science Will Go on Trial First

Judge’s novel approach is latest attempt to resolve long-running legal debate over cases that hinge on complex scientific questions.In a San Francisco courtroom this month, a jury will be asked to weigh a complicated question: Did Roundup weedkiller cause a man’s cancer? The jurors will assess the credibility of competing studies that delve into cell mutations, cancer epidemiology and genotoxicity.