Japan says it will shoot down N. Korea rocket over territory March 30, 2012 -- Updated 0457 GMT (1257 HKT) Naoki Tanaka, Japan's new defense minister, as pictured at the prime minister's official residence in Tokyo in January. March 25, 2012 -- Updated 1818 GMT (0218 HKT) U.S. President Barack Obama warns North Korea a planned missile test could deepen its isolation and damage relations with its neighbors. Song Ee Han agonized over a decision: Was she willing to leave her youngest child behind while she and her daughters escaped North Korea? March 25, 2012 -- Updated 0705 GMT (1505 HKT) U.S> President Obama visits the Korean DMZ as part of his trip to the country to attend a nuclear summit with world leaders.