In a series of posts on X, the AI chatbot Grok apologized for what it admitted was “horrific behavior.” The posts appear to be an official statement from xAI, the Elon Musk-led company behind Grok, as opposed to an AI-generated explanation for Grok’s posts. (xAI recently acquired X, where Grok is prominently featured.) Grok’s latest controversy comes after Musk had indicated he wanted to make the chatbot less “politically correct,” then declared on July 4 that the company had “improved @Grok sig...