Facebook vows again to fight fake news post election

At the end of an ugly presidential campaign the likes of which the U.S. has never seen, Facebook has acknowledged it has a lot more work to do in combating fake news on its platform.
The social network is a daily stop for tens of millions of voters and played an important role in shaping and reinforcing people's opinions. But sometimes, the information being shared was based on biased or outright fake news reports.
BuzzFeed unmasked a group of Macedonians who made up fake news st