The Lowy Institute has published a major new report on China's behaviour in the South China Sea. 'Shifting Waters: China's New Passive Assertiveness Asian Maritime Security' finds that China has changed its tactics in recent times: there are fewer confrontations at sea with the constabulary and naval forces of other claimants, and more 'passive assertiveness' such as island-building.

Co-author Ashley Townshend says this is partly a good-news story, because it reduces the chances of violent conflict. But in this interview recorded yesterday, Ashley also says that although the tactics have changed, China's strategic goals have not: