Anne Applebaum: After political murder, hate campaign continues

On the day after the murder of Jo Cox in 2016, stunned politicians on both sides of the Brexit referendum campaign fell silent. Cox was a member of the British parliament who favored remaining inside the European Union and campaigned about Syria; her assassin was both mentally ill and an extremist who scoured the internet for white supremacist material. He shouted “Britain first” as he shot and stabbed her. Feelings were riding high, the referendum debate had been emotional, and everyone agreed, in honor of Cox, to stop campaigning for three days.

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