Nightly News | February 23, 2013
>>> trouble for another big program tonight. at this moment the most contaminated nuclear site in the country is leaking a mix of radioactive and toxic material into the soil. the waste is coming from old underground tanks in washington state 's hanford nuclear reservation , a site that produced plutonium for the bombs dropped in world war ii . officials say the leak is not an immediate threat since it will likely take years for the chemicals to reach the groundwater.