In the recent past, Robert F Kennedy Jr has said that Donald Trump is “a terrible human being” and “probably a sociopath”. But in the US’s new age of irrationalism and chaos, these two men are now of one voice, pursuing a strand of Trumpist politics that sometimes feels strangely overlooked. With Trump once again in the White House and Kennedy ensconced as his health and human services secretary, what they are jointly leading is becoming clearer by the day: a war on science and knowledge that aims to replace them with the modern superstitions of conspiracy theory.

Nearly 2,000 members of the US’s National Academies of Sciences, Engineering, and Medicine have warned of “slashing funding for scientific agencies, terminating grants to scientists, defunding their laboratories, and hampering international scientific collaboration”. Even work on cancer is now under threat. But if you want to really understand the Trump regime’s monstrousness, consider where Kennedy and a gang of acolytes are heading on an issue that goes to the heart of millions of lives: autism.

Last Wednesday, Kennedy spoke at a press conference staged in response to a report about apparently rising rates of autism published by the US’s Centers for Disease Control and Prevention. And out it all came: an insistence that autism is an “epidemic” and a “preventable disease”, and – in complete defiance of the science – that the root cause lies with “environmental toxins”. A range of new studies, he said, will begin reporting back in September: with the same banality that defines his boss’s promises on........

© The Guardian