Mr Mayo is one of the public faces of the Yes campaign in Australia’s historic Voice to Parliament referendum, to be held on 14 October.
If successful, the vote will change the nation’s constitution for the first time in 46 years, creating a body for Aboriginal and Torres Strait Islander people to advise the government on policies affecting their communities.
Opinion polls had long shown support for the change but now suggest the No vote is leading.
Because it will be in the Constitution and therefore legally binding. Racists can be charged, as they should be.