WHO WATCHES THE WATCHMEN? Facebook now flags and down-ranks fake news with help from outside fact checkers.

“We’re not looking to get into the grey area of opinion,” Facebook’s VP of News Feed Adam Mosseri tells me. “What we are focusing on with this work is specifically the worst of the work — clear hoaxes that were shared intentionally, usually by spammers, for financial gain.”

And who is to be entrusted with sorting the real news from the fake?

“Snopes, FactCheck.org, Politifact, ABC News, and AP.”

This should be fun.