DeMENLO PARK, CA -- On April 4, plaintiffs in a class action lawsuit brought against Facebook over its data-sharing practices following the eruption of the Cambridge Analytica scandal filed a fresh motion, charging that the social media giant deliberately obstructed discovery of information revealing the scale of its malfeasance. It’s the latest development in a wide-ranging controversy that began in the first months of 2017 and shows little sign of abating. In brief, Cambridge Analytica