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To call the self-styled “alt-right” neo-fascist is a bit of an exaggeration. But the overstatement doesn’t lie in the fascist part. It’s the neo that is a bit of a stretch. Like most viruses, fascism adapts itself to changing environments. We should not expect it to look the same in a 21st century globalised liberal democracy as it looked in traumatised European societies struggling with the aftermath of the first World War and the onset of the Great Depression.