A coalition of nonprofits is urging the U.S. government to immediately suspend the deployment of Grok, the chatbot developed by Elon Musk’s xAI, in federal agencies including the Department of Defense.  The open letter, shared exclusively with TechCrunch, follows a slew of concerning behavior from the large language model over the past year, including most recently a trend of X users asking Grok to turn photos of real women, and in some cases children, into sexualized images without their