http://blogs.wsj.com/speakeasy/2010/12/22/does-god-exist-ricky-gervais-takes-your-questions/?mod=e2tw   By Ricky Gervais Editor’s Note: Earlier this week, in an essay that drew a deluge of comments, British comic, actor and filmmaker Ricky Gervais argued against the existence of God. To give Wall Street Journal readers a chance to respond, we asked Gervais to answer via email some of the most fre…