North Korea's U.N. envoy on Friday warned that the United States should be prepared for "catastrophic consequences" if it presses for further sanctions against Pyongyang over its pursuit of what it considers nuclear deterrence for "self-defense" purposes."If the United Sates persists in anti-DPRK sanctions without understanding its rival, the administration will have to take full responsibility for the ensuing catastrophic consequences," Deputy Ambassador Kim In Ryong told reporters.He was referring to the official name of his country, the Democratic People's Republic of Korea, in remarks a…READ FULL ARTICLE