Why has Elon Musk's AI chatbot started imitating Hitler?

Last night on X, Elon Musk's AI chatbot - Grok - started imitating Hitler in its responses to user questions. Was this intentional? Did Musk really command his AI tool to spew out anti-semitic takes? And will this lead to any sort of regulation over AI?

Later, we discuss the upcoming doctors strike. Health Secretary Wes Streeting has warned resident doctors the public "won't forgive" them, and despite a pay rise of 29% over the last three years they will still walk out at the end of the month.

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