London’s Ginger Line has suddenly turned into a rainbow. Not only has Sadiq Khan given stretches of the Overground new colours, they have also been renamed. And, unsurprisingly, the Mayor, shrieval overlord of diversity and inclusivity, has chosen names that reinforce a particular view of London’s, and Britain’s, history, one that celebrates (or if we’re being more cynical, fetishises) the contributions, experiences and struggles of women and minorities.