The US, UK, Australia and now Canada have joined what they call a diplomatic boycott of the Beijing Winter Olympics. The aim is to protest against China's human rights record. The four countries will still send athletes, but not government representatives. So, what will the boycott achieve? 

Join host Nick Clark.

With guests:

Victor Teo - Political Scientist affiliated with The Cold War Project at the University of Cambridge. 

Ross Griffin - Middle East Editor, International Journal of the History of Sports. 

Jules Boykoff - Chair of Pacific University's Politics and Government Department.