WikiLeaks Cables on North Korea Offer Dim View into Relations in Asia

Early this year, American and South Korean officials began gaming out what might happen if North Korea collapsed and what China's role might be. After last week's shelling of South Korean civilians by North Korea, the United States and South Korea are engaged in major naval exercises in the Yellow Sea. That gives special importance to what WikiLeaks has revealed about diplomatic activity in East Asia. David Sanger is national correspondent for the New York Times.