Is North Korea preparing to deploy tactical nuclear weapons along its tense border with rival South Korea, which is only a short drive from the 26 million people living around Seoul, its capital?
That's how it looks to many experts paying close attention to a high-profile North Korean military meeting this week. The possible deployment, just two months after a veiled threat by leader Kim Jong Un to preemptively use nuclear weapons, would be a major development in the decades-long standoff on the Korean Peninsula.
