My child has autism. Trump and RFK Jr linking it to vaccines scares parents like me

We're afraid the baseless theory spread by the president stigmatises our kids - and could affect access to care

It was a moment when Donald Trump's larger-than-life presence on the global stage became unexpectedly personal.

Near the end of his one-hour, 40-minute speech to a joint session of Congress on 4 March, the US president diverted from his favoured themes of a new golden age of American greatness and grievances against his adversaries to address a more unlikely topic: autism.