What’s behind US President Donald Trump’s attack on Pope Leo? After the leader of the Catholic Church criticised Trump’s threats to destroy Iranian civilisation, the president unleashed.  Trump dismissed the Pope as ‘weak on crime and terrible on foreign policy’. Debate over the US leader's mental health has reignited since the fuel erupted and he posted an AI image depicting himself as Jesus.   Today, David A. Graham from The Atlantic magazine on what Trump’s behaviour says about his ability to govern.  Featured:  David A. Graham, staff writer at The Atlantic