Could NKorea hit its neighbors with nukes?

North Korea is widely recognized as being years away from perfecting the technology to back up its bold threats of a pre-emptive strike on America. But some nuclear experts say it might have the know-how to fire a nuclear-tipped missile at South Korea and Japan, which host U.S. military bases.

No one can tell with any certainty how much technological progress North Korea has made, aside from perhaps a few people close to its secretive leadership. And, if true, it is unlikely that Pyongyang would launch such an attack, because the retaliation would be devastating.

The North's third nuclear test on Feb. 12, which prompted the toughest U.N. Security Council sanctions yet against Pyongyang, is presumed to have advanced its ability to miniaturize a nuclear device. And experts say it's easier to design a nuclear warhead that works on a shorter-range missile than one for an intercontinental missile that could target the U.S. Read more

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