The Winter Olympics are under way in Beijing in an event that’s launched the country back into the international spotlight over its treatment of Muslims and ethnic minorities in its far western region of Xinjiang. For nearly a decade, China has pursued an a heavy-handed program of indoctrination and forced assimilation to address what it calls a terrorist threat in Xinjiang. To this end, the country built a an unprecedented system of surveillance and detained millions of Uyghurs and other Muslim minorities in camps without charge or trial.