China's under-20 soccer team refused to continue their match against a local side until a Tibetan flag raised at a football match in Germany in protest against Chinese policies in Tibet was removed. This was surely justified.
A video showing a retired mixed martial arts boxer Xu Xiaodong knocking out tai chi "master" Wei Lei within 20 seconds went viral recently. It sparks a heated debate on whether wushu is weaker than MMA, and whether such a fight is equal or morally right.