As the 2020 election and potential new cyber threats loom, revisit how a 2016 Russian disinformation campaign inflamed America’s divisions -- and how then-candidate Donald Trump helped fan the flames. Subscribe on YouTube: bit.ly/1BycsJW For the full story, stream “America’s Great Divide: From Obama to Trump” -- a two-night, four-hour FRONTLINE documentary series on how America’s polarized politics came to be that provides new insights and crucial context for the 2020 election year. “America’s Great Divide: From Obama to Trump” will be available first, in its entirety, at pbs.org/frontline, at pbs.org and on the PBS Video App. Stream the full two-part, four-hour series there beginning Mon., Jan. 13 at 6 p.m. E.S.T./5 p.m. C.S.T. The series premieres on PBS stations Mon., Jan. 13 and Tues, Jan. 14 at 9 p.m. E.S.T./8 p.m. C.S.T. (check local listings). More about “America’s Great Divide: From Obama to Trump”: to.pbs.org/309y9lI Instagram: www.instagram.com/frontlinepbs Twitter: twitter.com/frontlinepbs Facebook: www.facebook.com/frontline Funding for FRONTLINE is provided through the support of PBS viewers and by the Corporation for Public Broadcasting. Major funding for FRONTLINE is provided by the John D. and Catherine T. MacArthur Foundation and the Ford Foundation. Additional funding is provided by the Abrams Foundation, the Park Foundation, The John and Helen Glessner Family Trust, the Heising-Simons Foundation, and the FRONTLINE Journalism Fund with major support from Jon and Jo Ann Hagler on behalf of the Jon L. Hagler Foundation. Past support for FRONTLINE’s YouTube channel provided by The John S. and James L. Knight Foundation.