Rishi Sunak's vanity jamboree on AI safety lays bare the UK's Brexit dilemmas

Who is the more trustworthy custodian of machines capable of diverting the course of human civilisation: Elon Musk or the Chinese Communist party? Will it be the billionaire megalomaniac tycoon who meddles in international crises as if they were video games loaded on to his personal propaganda console? Or the authoritarian superpower that likes digital technology best when it enables more efficient and ruthless social engineering and political repression? Neither is the answer - and thankfully, other options are available. But asking the question in starkly polarised terms illuminates the challenge posed by artificial intelligence that is evolving faster than…