Edwin Lieman News Today

Risk. joining us now, nbc news senior investigative correspondent lisa myers, who spoke with the experts to get their opinion. lisa? >> mika, what u.s. regulators say is that u.s. power plants are built to withstand significant earthquakes and tsunamis and that they believe that current protection its protect the public. but japanese officials would have said the very same thing a week ago. and some scientists say that what is happening in japan could, in fact, happen here. this was not supposed...