Schisms of hatred seem to be fracturing the political landscape wherever you look right now: the police versus the black community in America, Sunni v Shia, Wahhabism v the West, Trump v Hillary, Labour v itself, Brexiteers v Bremainers, climate “alarmists” v “deniers”. All are glaring at each other across cyber-chasms of flaming verbal magma.

This is not entirely new, of course. Binary disputes are the fuel of history: king or parliament, right or left. Yet it does feel worse now than for a while. Even Leadsom v May turned nasty at the end of last week — on social media at least.

And there’s the cause of the problem: Twitter and Facebook. Social media is polarising our discourse more painfully than before. It amplifies