One of the websites Facebook is to use to arbitrate on 'fake news' is involved in a bitter legal dispute between its co-founders, with its CEO accused of using company money for prostitutes. Snopes.com will be part of a panel used by Facebook to decide whether stories which users complain about as potentially 'fake' should be considered 'disputed'. But the website's own troubles and the intriguing choice of who carries out its 'fact checks' are revealed by DailyMail.com, as one of its main contributors is disclosed to be a former sex-blogger who called herself 'Vice Vixen'. Snopes.com will benefit from...