(By which I mean: everybody stay in) With strikes on the London Underground starting today, there will be no tube service until Friday. Travelling around London is going to be grim. Personally, I try to avoid the underground whenever possible, as I prefer travelling by bus, but I have a feeling that even the buses are going to be a lot less pleasant this week. At times like this, what I like best of all is staying at home and teaching online. Zoom classes work brilliantly: al