Smoker in Nanjing, China. Photo by Flickr user J. Unrau. When the NewsHour's global health team visited China last year for stories on tobacco, obesity and other health issues, they found a smoker's paradise and an anti-tobacco advocate's nightmare.

Apr 08

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Chinese artist Ai Weiwei is one of several dozen activists arrested in China over the past few months. But as one of the most prominent, he poses a test case for the Chinese government's resolve to silence its critics.