as far away as tokyo. out of 800 workers on the site of the nuclear plants, 50 are still there. only 50 and they are in a very dangerous situation. we ll get a report on the ground on how serious the situation is and what it could mean for americans here at home. plus, how much radiation can anyone be exposed to before risking significant health problems? we ll talk to the experts about how much is too much. i m going to talk to the weather channel of all people about which direction the winds are now blowing and who is in harm s way. the neoconcrowd is back, also no surprise here, calling for yet another war. this time it s libya. neocons are asking for a no-fly zone to force gadhafi from power. how many wars in muslim countries do these guys want to fight at one time? if a little knowledge is a dangerous thing, how will little knowledge affect michelle bachmann s chances. is it a problem in this country when even well-known politicians have so scant knowledge of their
personnel further from any radiation. what are real dangers of radiation exposure? dr. al sayad is a professor of oncology tess great university of miami school of medicine. what a great school to be coming from. i want to ask you, i want to stay very organized here, how much exposure is safe for human being, doctor? well, there are effective dose limits set by the international commission of radiation protection and the ncrp which is our commission here in the united states. that upper dose limit is five milisievert. just to put this in a perspective, a chest x-ray would give you about 0.1 milisievert