Beijing's installation of an oil rig in contested waters led to riots in Vietnam and made worse relations between China and its neighbours. Why the aggression, and what can the global community do about it? FT comment editor Frederick Studemann asks the LSE's Christopher Hughes and the FT's Gideon Rachman.
Produced by Nalini Sivathasan. Filmed by Rod Fitzgerald and Petros Gioumpasis. Additional footage from Reuters.