Facebook, Twitter, Step Up Defenses Ahead of Midterm Election

Facebook and Twitter executives defended their efforts to prevent Russian meddling in U.S. midterm elections before congressional panels Wednesday. The social media companies' efforts to provide assurances to lawmakers come amid warnings from internet researchers that Moscow still has active social media accounts aimed at influencing U.S. political discourse. VOA's Congressional Correspondent Katherine Gypson has more from Capitol Hill.Original Article