Stable peninsula important to China's economy

ChinaNK RailwayBorderCrossing NEWSFEED A railway border crossing between China and North Korea, August 2011.
North Korea is launching several joint mining projects with China and Russia, including copper and coal, which will help boost its economy. David Straub, associate director of the Korean Studies Program, spoke with the New York Times about how China's policy toward North Korea is influenced by its own economic interests.