Here at the Urban HillFort, Christmas just doesn't feel like Christmas this year. How could it, when the weather today is 20c and clear? Christmas weather is all about drizzle, drear, crisp mornings, coats, scarves and the practice of bundling on four layers for the walk to the station, only to have to disrobe inconveniently once underground in the warm fug of the tube's microclimate. I miss