Oh yes. The history of the Ethyl Corporation and Dr. Clair Patterson is fascinating, right up there with Rachel Carson and "Silent Spring." There's a very dist

Oh yes. The history of the Ethyl Corporation and Dr. Clair Patterson is fascinating, right up there with Rachel Carson and "Silent Spring." There's a very disturbing correlative graph between the banning of anti-knock lead additives from gasoline and the drop in violent crime rates in the United States. Correlation does not imply causation, but in this case it points feverishly at causation while wiggling its eyebrows and nodding its head suggestively.