Sir John Beddington of Imperial College London, also the UK's chief scientific officer, says he doesn't see Tokyo being impacted by a meltdown-explosion at Fukushima based on data and the experience of Chernobyl. Instead, he limits the range of radiation to a maximum of 30 KM. That's far less than the U.S. government's call yesterday, that citizens within a 80 KM range should evacuate, and today's