Three Uighur-language website managers were sentenced Friday to prison terms of three to 10 years after being found guilty under broad charges of “endangering state security.” The men had been jailed after ethnic rioting in July 2009 in Urumqi, capital of the far-western, predominantly Muslim, Xinjiang Uighur Autonomous Region. Nijat Azat, who managed the website Shabnam, was sentenced to a 10...