"Whether the enriched uranium is transported to Russia or is down blended with other material within Iran, they are both good solutions to what is a looming nuclear proliferation problem," Thomas Countryman said

"Whether the enriched uranium is transported to Russia or is down blended with other material within Iran, they are both good solutions to what is a looming nuclear proliferation…

The US side has to take specific and decisive steps aimed at reaching clear and definitive agreements on certain fundamental issues, Fars reported, citing a source