Professor Eric Huntsman has an infectious enthusiasm when he talks about Christmas. He?s up for the fun, the decorating, the shopping, the lights, and the gift-giving. He also has a deep intellectual curiosity and many years? academic research into the historical development of this holy day. And of course, most importantly, he has a profound devotional attachment to the holiday?s namesake, Jesus Christ. So it?s only natural that he would spend years developing ways to help his family,...