Colin Stretch, Facebook's general counsel, testifies during a U.S. Senate Intelligence Committee hearing looking into Russian meddling in the 2016 U.S. elections via the use of social media on Nov. 1, 2017. Photo credit: Diego Radzinschi/ALM announced last week former deputy GC to testify announced Tuesday which recently reported a revenue hit, fallout from the recent Cambridge Analytica scandal— testified before Congress West took the reins backlash after an undisclosed data breach to launch an online dating service.