Richard Dawkins is that rare specimen, a public intellectual, a knight of the mind who goes into battle against the ignorance and foolhardiness of the populace. Unlike the French, who worship their public intellectuals, giving them pet names such as les intellos, and airing them regularly on serious television and in print, the British like to shove academics into a musty corner, or laugh at them. This was not always the case: the Victorians, with their public lectures and royal societies, gloried in debate and celebrated the thrills of fresh knowledge. The nearest we get to this now is celebrating...