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Be a target for these blasts? >> its easy to think that most of the regions of earth are remote. there are not people there. in siberia is very large. i mean, its just statistics working here. when the meteor comes over the earth and air blast above land. its going knob a place like siberia or a desert. >> lets talk about warning signs, people scared. we hear a congressional panel here on the safety of the united states author these type of blasts. 20 atomic bombs. thats no joke. something like ...