
Cast your mind back to the febrile autumn of 2019 when, month after month, MPs fought bitterly over Brexit in a deadlocked House of Commons.
Boris Johnson, the British Prime Minister, did not incite a mob to invade the legislature, as Donald Trump did last week. But he certainly sought to harness the power of the mob, or what he preferred to call “the will of the people”, to intimidate his political opponents.