29 February 2016As the UN Security Council negotiates a resolution that would impose new sanctions on North Korea following Pyongyang’s latest nuclear test earlier this year, pressure is mounting on China to act more assertively towards its neighbour and ally. “China must be prepared to be much tougher on North Korea than it has been so far”, says Jonathan Pollack of the Brookings Institution. He discusses North Korea, the South China Sea and Sino-US relations in the new Merics Experts Podcast.