Xenophobe The foreign & strange Covid-19 can turn us into xenophobes.  Trade suspended.  Borders closed.  Families locked inside homes with a red cross daubed on their doors.  Theatres & courts shut.  Sport stopped.  Streets empty.  Bubonic plague was deadlier than Covid-19, but mark the parallels between London 1665 and 2020!  Stranger danger, but life (and…