https://medium.com/@bloomberg/facebook-takes-historic-plunge-as-scandals-finally-take-a-toll-13d29b679acb > Facebook Inc. plunged as much as 20 percent Thursday after months of scandal and criticism finally hit the company where it hurts: growth. > The social-media goliath’s financial performance had previously seemed immune to fierce critiques of its content policies, its failure to safeguard private data, and its changing…