Popular expressions of religion in America may be many things, but sly, ambiguous and fun aren’t words that usually spring to mind to describe them. So let’s give thanks this Holiday Season to Tim Tebow for bringing Tebowing and Broncos Jesus Jerseys into the world. For those who are not amused, hie ye to Fr. James Martin’s new book, Between Heaven and Mirth. Jesus had a pretty sly sense of humor himself.