The notion of a country's main enemy — or "jujeok" in Korean — is not just symbolic rhetoric. It is the fulcrum around which national defense policy, military readiness and diplomatic posture revolve.

With 30,000 more North Korean troops expected to join the frontline, Kim Jong-Un is becoming Russia's closest ally.

President Trump on Wednesday said he would be sending letters to over 150 countries as he plans a barrage of duties to take ...