FILE - In this Oct. 10, 2018 file photo, plaintiff DeWayne Johnson, a school groundskeeper who says Roundup weed-killer caused his cancer, leaves a courtroom in San Francisco. Agribusiness giant Monsanto is appealing a $78 million verdict in favor of a dying California man who said the company's widely used Roundup weed killer was a major factor in his cancer. The company filed a notice of appeal Tuesday, Nov. 20, 2018, in San Francisco Superior Court challenging the August jury verdict in favor of Johnson. (AP Photo/Paul Elias, File)
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