Richard Arnold: US correspondent on Bill Gates warning that AI growth can't keep 'going unchecked'

Bill Gates is the latest big name in the tech sector to issue a warning about AI amid rising concerns. Gates says the technology needs to be regulated and warns that AI can't keep going unchecked and that existing 'kill switches' aren't enough. US correspondent Richard Arnold says Gates is calling for a better 'monitoring system' to stop AI from causing harm.  LISTEN ABOVESee omnystudio.com/listener for privacy information.