Social media is a powerful tool, for both good and ill. In Myanmar, social media — and Facebook in particular — has been put to cruel and dangerous use.

Iran’s leaders would prefer it if their people chanted “Death to America,” but instead protesters in towns and cities across the country are calling for “Death to the dictator.”

Perhaps the two most egregious human rights crises currently unfolding in the world are the situations of the Uighurs in China and the Rohingya in Myanmar. The US has declared a genocide in the case of the Uighurs. It has so far resisted doing the same for the Rohingya. Why?