Germany’s far-right political party Alternative für Deutschland recently relaunched a youth wing called Generation Deutschland. One of its posters portrays a young blond Aryan woman instantly recalling – for those who have not forgotten 20th century European history –...

In 1960s Britain it was common for travelling salesmen (hardly ever women) to go from door to door selling subscriptions to the Encyclopaedia Britannica. Twenty-four volumes whose cost could be spread over monthly repayments. Parents who could afford it, and even...