Saudi clerics mostly adhere to an ultraconservative Sunni interpretation of Islam known as Wahhabism — and many view other faiths and variants of Islamic worship as sinful.
A trove of internal documents sheds light on the algorithms that Facebook’s censors use to differentiate between hate speech and legitimate political expression.
In the wake of a terrorist attack in London earlier this month, a U.S. congressman wrote a Facebook post in which he called for the slaughter of "radicalized" Muslims. "Hunt them, identify them, and kill them," declared U.S. Rep. Clay Higgins, a Louisiana Republican. "Kill them all. For the sake of all that is