How Russia's disinformation campaign is evolving
U.S. officials have warned that Russian interference remains an active threat for the 2020 presidential election. Since Russia's attempts to influence the 2016 race, social media sites like Facebook, Google and Twitter have put safeguards in place. But a new report from a professor at the University of Wisconsin shows Moscow's disinformation tactics have evolved. CBS News contributor and editor-in-chief of Wired, Nick Thompson, joined CBSN with details.