I was just browsing through my meetup.com groups and looking for stuff to do this week and saw a discussion in the Center For Inquiry DC that looking interesting. That's where I found this:
Evidently it was from a presentation by Sam Harris and possibly part of his new bookd The Moral Landscape. I know it's hard to read, so here is a full pdf of it with tons more info if you care to look. I think the image makes a striking statement that many of us already knew, but to SEE it hammers home the point.