Given that lead exposure makes people less intelligent and the massive levels of lead California's city's were exposed to it's no wonder so many looney's & nutcases come from Cali's big city's. Estimates are the average mid century American has an IQ 3 points lower than it should be due to leaded gas and pollution. In highly poluted concentrated areas like big California IQ loss is estimated to be more than 6 IQ points.
