When Boris Johnson was foreign secretary he faced some tough questions about his history of writing controversial opinion pieces which included accusing Obama of "harbouring a part-Kenyan’s ancestral dislike for the British Empire” and claiming untruthfully that he “didn’t want a Churchill bust in the White House”. Of Hillary Clinton as being someone “with dyed-blonde hair, pouty lips and a steely blue stare... like a sadistic nurse in a mental hospital”.