"Professor Behe remarkably and unmistakably claims that the plausibility of the argument for ID [Intelligent Design] depends upon the extent to which one believes in the existence of God. As no evidence in the record indicates that any other scientific proposition's validity rests on belief in God, nor is the Court aware of any such scientific propositions, Professor Behe's assertion constitutes substantial evidence that in his view, as is commensurate with other prominent ID leaders, ID is a religious and not a scientific proposition."