A dissident in China

Even the Copenhagen summit on climate change ended just the way China wanted: failure in its attempt to commit China, or any other industrial nation, to making significant cuts in carbon emissions, with the United States getting the blame.

The Chinese government, under the Communist Party, has every reason to feel confident. So why did a gentle former literature professor named Liu Xiaobo have to be sentenced to 11 years in prison, just because he publicly advocated freedom of expression and an end to one-party rule?