THIS PAST WEEK, we were back in London, thinking it might be the last time in a long time again that we would be able to be out and about before another national lockdown. We were also there to celebrate the holidays and two anniversaries. When we were last here, it was May, and things were only tentatively opening up again. All the pubs and restaurants were outdoor seating only, which mean it was difficult to find a table without booking the good places in advance through an app. The weather was unseasonably rainy and cold and we wondered if it had been a good decision to come ...