Since the Charlie Hebdo killings in Paris in January, there has been a sharp escalation in attacks on Jewish people and property in Britain. Children are being taught how to hide in the event of an assault on their synagogue; mothers on parental duty now wear stab-proof vests Friday night, the sun is going down, and a north London Jewish family are gathered around the dinner table, like many others from Britain’s 291,000-strong Jewish community, for the ancient ritual that marks the beginning of Shabbat. There are prayers and the blessing of bread and wine – and, as befits a ceremony designed to herald the day of rest, it is followed by animated conversation about the events of the past seven days.This week, with three generations of this extended family present, ranging in a