Facebook is wary of being drawn further into a political argument ahead ... divisive presidential election ... ... steer clear of fact-checking political advertisements... keen not to antagonise Mr Trump ... claiming that social media platforms are biased against Republican ... purely a business decision ... ubiquitous... it must always align with…

Users will be able to mark stories as fake...algorithm will look at whether a large number of people are reporting a particular article, whether or not the article is going viral, and whether the article has a high rate of shares... create an algorithm-vetted set of links that then goes on to a team of researchers within Facebook... links are sent…