We will see few protests of substance.

The central government will make sure they don’t happen by taking steps to ensure that sport venue sites and their cities are cleared out of such protesters well in advance, and kept clear during the events.

Also, this is anecdotal, but most folks I know in China, rich and poor, are just so darn proud to have the Olympics to signal that China is back and that this century may be the “Chinese century” that the thought of an incident that brings any public embarrassment or shame the country is not something they relish.