Grok, the artificial-intelligence chatbot produced by Elon Musk-owned xAI, this week began posting antisemitic messages in response to user queries, drawing condemnation from a major Jewish advocacy group and raising concern about the AI tool. On Wednesday, Musk said the messages are being addressed. --- Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G ABC News is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage.