Richard Dawkins recently wrote a book called The God Delusion. You've probably heard of it.
Professor Dawkins is a great scientist and one of my favorite writers. And I have no quarrel at all with his argument. I was raised as a scientific atheist, and I've never seen the slightest reason to think otherwise. These days I prefer the word "nontheist" - for reasons which will shortly be clear - but there's no substantive difference at all. Except in the context of role-playing games, I have no interest whatsoever in gods, goddesses, angels, devils, dryads, water elementals, or any such presumed metaphysical being.
Nonetheless, it's my sad duty to inform the world that Professor Dawkins has been pwned. Perhaps you're over 30 and you're unfamiliar with this curious new word. As La Wik puts it: