How the fight over glyphosate, the active ingredient in Roundup, is creating tensions

The fight over an ingredient in weedkiller has pitched MAHA activists - those aligned with the beliefs of Health and Human Services Secretary Robert F Kennedy - against President Trump's policies. SCOTT SIMON, HOST: The case involving the popular weed killer Roundup is before the Supreme Court Monday, and at issue is whether that company makes it failed - whether the company that makes it failed to warn of possible risks of cancer. Activists with the Make America Healthy Again movement and Health and Human Services Secretary Robert F. Kennedy Jr. himself have decried the product. But in recent months, the Trump administration has taken steps to protect Roundup's manufacturer and increase production of its active ingredient, glyphosate. As NPR's Lexie Schapitl reports, the fight over glyphosate is revealing tensions between MAHA and other conservative priorities. LEXIE SCHAPITL, BYLINE: Kelly Ryerson has spent more than a decade pushing for the elimination of pesticides in the U.S. food system. Her primary target is the herbicide glyphosate. She's known as Glyphosate Girl on social media. So when Trump's Department of Justice filed a legal brief in support of Bayer, the chemical company that manufactures glyphosate in the United States... KELLY RYERSON: We were absolutely heartbroken. It can't be overstated how important this issue is to the MAHA voter. …