LONDON — U.K. ministers are warning Elon Musk's X it faces a ban if it doesn't get its act together. But outlawing the social media platform is easier said than done. The U.K.'s communications regulator Ofcom on Monday launched a formal investigation into a deluge of non-consensual sexualized deepfakes produced by X's AI chatbot Grok amid growing calls for action from U.K. politicians. It will determine whether the creation and distribution of deepfakes on the platform, which have targeted