Robots & Artificial IntelligenceDOJ Backs Musk’s xAI in First Amendment Fight Over Colorado AI Law Posted on May 19, 2026 by Administrator The US Department of Justice has moved to intervene in Elon Musk’s xAI lawsuit against Colorado, escalating a federal challenge to the state’s first-in-the-nation artificial intelligence “antidiscrimination” law just over two months before it is set to take effect.