Kerry and the Chinese foreign policy chief, State Councilor Yang Jiechi, said the two nations would work together to create a nuclear-free Korean peninsula, effectively forcing North Korea to give up its arsenal.

NPR: Goal Of Nuclear-Free NKorea Tests US, China Ties

After meetings in Beijing, Mr. Kerry and China's top foreign policy official, State Councilor Yang Jiechi, said they would work together to persuade Pyongyang to return to an international diplomatic process, called the six-party talks, which has sought unsuccessfully over the past decade to curtail North Korea's nuclear program.

WSJ: U.S. Offers Direct Korea Talks