Open this photo in gallery: Paris Mayor Anne Hidalgo speaks in Paris, on Feb. 21, 2022.Michel Euler/The Associated Press Paris Mayor Anne Hidalgo on Monday announced she was quitting the X platform formerly known as Twitter, calling it a “gigantic global sewer” that was “destroying our democracies” by spreading abuse and misinformation. After buying Twitter in 2022, Elon Musk laid off thousands of employees, including many who moderated content on the platform. Rebranded as X, it has lost several major advertisers and was blasted by critics, including the White House, for not doing enough to curtail antisemitism. “This platform and...