How did Russian president Vladimir Putin come to see the U.S. as an enemy, and why has he sought to sow distrust in America's democracy? From filmmaker Michael Kirk and the team behind "The Choice 2016" comes this epic, two-part documentary examining Putin's rise, rule and motivations, and the American responses. Airing Wednesdays, Oct. 25 & Nov. 1 on FRONTLINE. Learn more: www.pbs.org/wgbh/frontline/film/putins-revenge/ Twitter: twitter.com/frontlinepbs Facebook: www.facebook.com/frontline Google+: plus.google.com/+frontline/posts FRONTLINE is streaming more than 200 documentaries online, for free, here: to.pbs.org/hxRvQP FRONTLINE is made possible by PBS and CPB. Major support is provided by The John D. and Catherine T. MacArthur Foundation. Additional funding is provided by the Ford Foundation, the Park Foundation, The John and Helen Glessner Family Trust, the Heising-Simons Foundation, Wyncote Foundation, and the FRONTLINE Journalism Fund with major support from Jon and Jo Ann Hagler on behalf of the Jon L. Hagler Foundation.