For a number of Americans, the Christmas season is a time for joy and love, but for others, it’s an opportunity to stage a war against Christianity. The latest battle entails a blasphemous nativity scene from a group of atheists, which they have defended as a response to counteract the Christian “War on the Constitution.” Wisconsin is once again at the center of a major dispute, this time because Governor Scott Walker made the mistake of referring to the “holiday” spruce as a “Christmas tree.” That prompted the Freedom from Religion Foundation to call Walker “a Teabagger governor wearing religion...