North Korean leader Kim Jong Un said cooperation between his country and Russia has been "strengthened as never before" in a message sent Friday to celebrate Russian President Vladimir Putin's 70th birthday, state-run media said.In the message, Kim said he has "rejoiced" in the strengthened mutual support and cooperation enabled through the struggle "to defend the regional peace and stability and realize...international justice," according to the official Korean Central News Agency."Today, Russia is reliably defending the dignity of the state and its fundamental interests from the challenge…READ FULL ARTICLE