N Korea wins Olympics trip but nuclear weapons still the bone of contention

North Korea's participation in the Winter Games starting February 9 brings potential benefits to the troubled Korean peninsula, which has been divided for more than 70 years

North Korea’s chief negotiator Ri Son Gwon struck a jovial tone as he sat down on Tuesday morning for his country’s first formal talks with South Korea in more than two years.

He joked about how the subzero temperatures reflected frosty ties and asked for the proceedings to be broadcast live -- a request South Korea turned down. A few hours later, South Korea announced that North Korea would join the Olympics next month in Pyeongchang, a ski town near their shared border.

Yet as the day wore on, and South Korea proposed talks on ending North Korea’s nuclear weapons