North Korean leader Kim Jong Un is ramping up his country's preparations for war . According to state media, Kim called upon his military to prepare for greater war fighting measures against the United States and South Korea , Knewz.com has learned. Citing the Korean Central News Agency (KCNA) , The Associated Press reports that Kim's latest calls for ramped-up military exercises is in response to the ongoing South Korean-U.S. combat drills that Pyongyang views as invasion preparations. While