New York Times: THE tornadoes that have been devastating parts of the South and Midwest, just weeks after a deadly mudslide in Washington, demonstrate once again the unimaginable power of nature. After each disaster, we grieve over the human lives lost, the innocent people drowned or crushed without warning as they slept in their beds, worked in their fields or sat at their office desks. We feel angry at the scientists and policy makers who didnt foresee the impending calamity or, if forewarned, failed to protect...