Social media platform X on Monday sued media watchdog group Media Matters, alleging the organization defamed the platform after it published a report that said ads for major brands had appeared next to posts touting Nazism. X, formerly Twitter, has faced growing outrage since Media Matters published the report on Thursday, which led IBM, Comcast and several other advertisers to pull ads from the platform in response. On Saturday, Musk posted that X would file a “thermonuclear” lawsuit against Media Matters and others “who colluded in this fraudulent attack on our company”. Since Musk purchased Twitter for $44bn in October...