You can't really understand Christmas without understanding the Old Testament.  And that means you can't truly sing about Christmas without first singing the songs of the Old Testament, the Psalms.  And at Christmas time, you've got to sing!  This is the first of four sermons based on four different psalms that speak powerfully about the promise and hope of Christmas in a series we've entitled, The Psalms of Christmas. This sermon examines Psalm 2.