Last year, “Unconventional” became Advent: preparing us for the radical entry of the divine into the human world, with brief thoughts on the four days leading up to Christmas. That seemed to resonate, so let’s explore one of the most haunting carols and give four answers to the question, “What Child is This?” Short posts to help you focus on one aspect of Jesus’ entry on Sunday, Monday, Tuesday and Wednesday. Here’s the first, on…