For a while there it looked as though my semi-annual long weekend in Amsterdam would come to naught. Several days of massive snowfall made travel impossible in our part of Norway and closed down Oslo Airport for most of a day. Thanks to the snow, the usually reliable bus to Oslo pulled into the station a couple of hours behind schedule; and the airport express trains, which are never so much as a minute late, were delayed by an hour or so. There was one surprise on the express train. In every car, they have these big video screens on...