The World in Words 71: Twitter and free speech, a Chinese word inspires new art, and a new Lakota immersion school

Question: what happens when a court gags a newspaper? Answer: The gag sags, 140 characters at a time. That’s what happened this month when microbloggers tweeted what The Guardian couldn’t report. Also, a group of Beijing and expat artists discover a Chinese word that seems to convey the zeitgeist in China; and the near-death – and possible rebirth – of the native American Lakota language, with an assist from a German rock star.