Long time listeners of Letter to America know what a huge fan of Richard Dawkins I am.
Though one can argue that he is not the most effective persuader of super-naturalists:
transforming the super-naturalism's view from that of of one who believes in fairy tales to one who is a little bit more engaged with the world as we find it;
I do think he is an extremely effective communicator when it comes to effecting a change in one who is agnostic - to becoming an atheist:
After reading his new book, The God Delusion, I find myself in the process of being ever-more liberated from a reliance on the unknowable to get through the day.
For those interested in what the man has to say here's a nice collection of clips, (via Digg):