Lies on Elon Musk’s X have instigated some of the worst racial riots in Britain’s history. Musk recently posted a comment to his hundreds of millions of followers claiming “Civil war is inevitable” in the U.K., and asserted that the British criminal justice system treats Muslims more leniently than far-right activists. European Union commissioner Thierry Breton sent Musk an open letter reminding him of EU laws against amplifying harmful content “that promotes hatred, disorder, incitement to violence, or certain instances of disinformation” and warning that the EU “will be extremely vigilant” a…