Jonathan Freedland in The Guardian:
Historians will look back and see a point of origin to the current madness, one that explains how a new prime minister could see her administration fall apart in a matter of weeks, even if we struggle to name that cause out loud right now. When the textbooks of the future come to the chapter we are living through, in the autumn of 2022, they will start with the summer of 2016: Brexit and the specific delusion that drove it.
More here.