North Korea proclaimed itself a `` nuclear state '' in a revised constitution this week . Analyst : Appears to be directed at the U.S. as the rhetoric from Pyongyang rises . The communist state carried out nuclear tests in 2006 and 2009 . Score: 6
North Korea proclaimed itself a `` nuclear state '' in a revised constitution this week . Analyst : Appears to be directed at the U.S. as the rhetoric from Pyongyang rises . Score: 6