A wistfulness pervades the air this time of year. The old year is nearly over, and we inevitably look back. We do a lot of thinking about what has happened in the last 12 months, both the happy memories and the sad ones.
 Some people we know spend their lives gazing at the rear-view mirror of their memory. We have always preferred the view out the windshield—after all, how are you going to get anywhere if you’re not looking forward?