NFL legend Osi Umenyiora on race, football and the pitfalls of showboating

In this documentary, the BBC's World Affairs Editor John Simpson reports from China, five years after the Beijing Olympics. Simpson talks to activists, academics and artists who are openly questioning whether Chinese communism can survive and returns to Tiananmen Square, where he dodged bullets to cover the 1989 massacre for the BBC.

16 Aug 201349min