We took the kids on a tour of Iceland for winter break last year. It was Carrie’s first year of college, Tad’s third, and I wanted to do something as a family while we still could. The sun didn’t rise the whole time we were there but everybody seemed to be having a good time. The kindergarten class leaving the National Museum as we were going in, for instance. The children had big bags of candy and were laughing so hard they couldn’t stand it. As soon as they’d start settling down one of them would say something that sounded…