Farage is UK's only good contact with Trump
That act of negligence recalls the notorious dispatches from Sir Anthony Parsons, the British ambassador in Iran Parsons in 1979, who assured London that the Shah of Iran was secure.
Parsons warily told London in 1979: "I do not foresee any serious trouble in the near future."
His incompetence was rewarded when he was promoted to UK Representative to the United Nations only a few months afterwards.
More important still, Britain now has policies which are opposed to those of the president-elect.
While Trump is determined to strike a deal with Putin, Britain continues to regard Putin as an existential threat.
Trump can work with Assad in Syria: Britain regards any dealings with the Assad government as unacceptable.
On Tuesday Washington indicated that it is prepared to halt some arms sales to Saudi Arabia because of the high death toll to civilians caused by Saudi bombing.
Britain, meanwhile, is determined to carry on selling arms to Saudi.
Such a step is bold indeed, just a few months after Brexit.