epa08815874 A road sweeper outside 10 Downing Street in London, Britain, 12 November 2020. According to news reports Prime Minister Boris Johnson's Senior Aide Lee Cain has resigned. Cain announced he will step down from director of communications after ministers and advisers are said to have protested over his planned promotion to chief of staff.  EPA/ANDY RAIN
A man cleans up Whitehall. EPA

What does 'global Britain' mean if all the foreigners leave?