T he furious reaction to Donald Trump’s posting of an AI-generated image of himself as a Christ-like healer resulted in a rare walkback from the US president, who deleted it from his social media account and insisted it was “supposed to be me as a doctor”. But if you were in fact the saviour of humanity, how would you go about convincing people of this? Even Jesus Christ himself struggled (although, admittedly, that was part of the plan). Bob Kenny, Dublin Send new questions to nq@theguardian.com . Readers reply It takes plenty of front from the self-proclaimed messiah, plenty of gullible people and an ability to spread the message. A willingness to suspend disbelief and a desire for someone else to fix your problems also help. That people believe that such a man can exist is part of the problem. Agrajag It’s quite easy. You simply perform miracles. People soon come around you and believe. It helps if you believe it yourself. Michael Broadbent Surely saving humanity is a collective effort?…