Where is the kill switch? AI doomsday warnings trigger calls to regulate

Talk about doomscrolling. In the past week, our timelines have been full of dark predictions of our imminent demise, including one by a Silicon Valley engineer who puts the chances of artificial intelligence wiping out humanity at better than 10 percent. The recent breach of the machine-learning programmers’ site Hugging Face by AI machines is also triggering panic. In this edition, we ask: can machines destroy the planet on their own? In the age of technology, does problem-solving always override safety?