Russian censorship story highlights Facebook’s dilemma

Widespread reports that Facebook-owned Instagram has blocked posts from a political opponent of the government have brought the social media censorship issue to the fore once more.
The BBC is among the media to report on the matter, stating that Russia’s internet censor has demanded that social media companies restrict access to posts connected to corruption claims made by Alexey Navalny. Apparently YouTube received a similar request but has yet to act on it.
Navalny seems to be a fairly a