Britain’s far-right panic

Campaigners took to the streets of London this weekend to protest against the monsters of their imagination.

In 1692, a coalition of villagers, ministers, judges and other local authorities took on the witches of Salem, Massachusetts. The trials lasted just over a year, but by the end more than two hundred had been accused, twenty had been executed and five others had perished in jail. There was just one problem: the witches did not exist.

It is tempting to mak…