Elon Musk, the multibillionaire who owns X, failed to appear for a voluntary interview in France on Monday as part of Paris authorities’ investigation into his social media platform and artificial intelligence chatbot, Grok.In February, French officials summoned Musk and former X CEO Linda Yaccarino to cooperate with the investigation that the social media company has described as “politically motivated.”The investigation, launched in January 2025, concerns allegations that X’s algorithm interfered in French politics. It was later expanded to include more recent controversies plaguing X, including Grok’s dissemination of sexually explicit deepfakes. The chatbot had been used, starting late last year, to...