You know, the Japanese accident and Chernobyl combined are sub-microscopic in comparison to the radiation released in the countless thousands of megatons of hydrogen bombs touched off in the atmosphere in the '50s and '60s by the U.S., the U.S.S.R., and even the French.
If you extrapolate nutcase nadin math, the mortality rate from that was far in excess of 100%. We've all been dead for decades, and don't reealize it. The whole world experienced know-it-all nadin's Holocene Extinction, and no one even noticed.