March 15, 2013 North Korea has been increasingly hostile, warning of a preemptive nuclear strike on the U.S.
In this image released by North Korea's Central News Agency, leader Kim Jong Un is said to be using a pair of binoculars to look south during an inspection of a front-line army unit.
March 11, 2013 Experts worry that while the North has often made threats, now it's rhetoric is ratcheting up. That may make the new young leader, Kim Jong Un, feel as if he has to follow through on the threats in some way.
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