North Korea has just pulled off an impressive dual feat -- the successful test both of an intercontinental ballistic missile and an atom bomb in the 6-kiloton range.
Pyongyang's ruler, 30-year-old Kim Jong Un, said the tests are aimed at the United States. So it would seem. One does not build an ICBM to hit Seoul, 30 miles away.
Experts believe North Korea is still far from having the capability to marry a nuclear warhead to a missile that could hit the West Coast. But this seems to be Kim's goal.
Why is he obsessed with a nation half a world...