exposure to radioiodine. >> thank you very much. dr. elsayyed, thank you for coming from the university of miami. a great school. up next, officials in japan are closely monitoring the weather as wind patterns play a big role in dispersement of radioactive particles. we'll get the latest from the weather channel. we're hearing from everybody. people are worried about this and we're trying to let you know how much to be worried. you're watching it on "hardball" only on msnbc. [ woman ] welcome back, jogging stroller. you've been stuck in the garage, while my sneezing and my itchy eyes took refuge from the dust in here