Does Religion Poison Everything?

In his 2007 book, "God Is Not Great: How Religion Poisons Everything," the late Christopher Hitchens asserted, without apology, that there is nothing that has been or can be improved by religion.  In fact, religion is a toxin which damages or destroys everything it touches. Is this assertion accurate and fair?  Is there nothing positive that religion has brought to humanity? We discuss the issue.  Your calls and emails (send to podcast@thethinkingatheist.com)