Gee, why don't you say how you really feel, James Cameron? Or maybe you have. James Cameron shoots back a bit of a rant at Glenn Beck during his Avatar junket. Read his comments at http://www.washingtonpost.com/wp-dyn/content/article/2010/03/24/AR2010032400047.html BTW, The Lost Tomb of Jesus was in no way antichristal and really didn't have much in it that was…