Talk about a killer app. Artificial intelligence models are vulnerable to hackers and could even be trained to off humans if they fall into the wrong hands, ex-Google CEO Eric Schmidt warned. The dire warning came Wednesday at a London conference in response to a question about whether AI could become more dangerous than nuclear weapons. “There’s evidence that you can take models, closed or open, and you can hack them to remove their guardrails. So, in the course of their training, they learn a