Sonja Gu News Today

Cnn crews are in place. stan grant, sonja gu-- sanjay gupta will talk about the radiation and threat it poses to the public. and jill dougherty at the white house with new efforts to get america out of harms way. lets begin with you, stan. the water drops seem like a last-ditch effort to cool the reactor to prevent a meltdown. but i dont know, it just seems more like an act of desperation. >> reporter: they are trying everything they can. theres no doubted about thatment you know, theyve tried s...