When the Chinese five-star red flag rose high above the tennis court in Paris, and when our national anthem rang, thousands of Chinese people were wild with joy.

This is a cut above the usual debate in and about the supreme court and sounds like progress. But there is still some way to go, and a lot of cases to be culled.

So if you just hit the court for the first time in a few months, pay attention to any pain above your heels.