Trump’s racist tweets are a new low, but don’t expect him to stop any time soon

It is a well known and regrettable fact that many of the threats that emanate from the president’s smartphone go down well with his ‘base’

There is divisive – and then there is Donald Trump divisive.

His racist attack on four United States congresswomen, ordering them to “go home”, was obviously designed to hurt. It was offensive and a disgrace to the office he holds.

Donald Trump is himself the grandson and son of migrants, from Bavaria and Scotland respectively, who left their homelands because they felt they could have a better life in the US. Mr Trump’s wife Melania, nee Knavs, was born in Slovenia when it was part of the old Yugoslavia.