A judge of the Brazil Supreme Court has included billionaire entrepreneur Elon Musk as a target in an ongoing investigation into the spread of fake news and accused him of obstructing proceedings in the matter. In response, Musk, the owner of the social media platform X, has accused the judge of betraying Brazil’s constitution and its people, and issued an extraordinary call for him to be sacked. What’s going on? We explain. First, what did the Brazilian Supreme Court ask of X? The Brazil Supreme Court has been looking into the issues of fake news and online disinformation, which is...