Richard Dawkins, he of The Selfish Gene and The God Delusion, pulls no punches. He tells it as he sees it.

On March 8th, 2008, Richard Dawkins spoke at the Wheeler Auditorium on the UC Berkeley campus during his US book tour for his book “The God Delusion.” I am an absolute admirer of Prof Dawkins.
You could see the google video of Richard in Berkeley (56 mins) or you could see it in six parts on YouTube. Here’s YouTube part 1/6 of Richard at Berkeley:

Part 2, part 3, part 4, part 5, and part 6.
Related post: Darwin’s Big Idea