President Donald Trump’s decision to put tariffs on billions of dollars in Chinese imports last year shocked the world -- but he's taken a similarly aggressive stance on trade for decades. Subscribe on YouTube: bit.ly/1BycsJW In fact, Trump has been talking about a tariff strategy since the late 1980s, when he first tested the presidential waters — and his message back then bore notable similarities to the one that helped propel his winning 2016 campaign. Learn more in a scene from "Trump's Trade War," a new documentary from FRONTLINE and NPR that goes inside the face-off between the world’s two largest economic superpowers. Watch "Trump's Trade War" starting Tues., May 7, 2019: www.pbs.org/wgbh/frontline/film/trumps-trade-war/ 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 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 Lisa Douglas Goldman Fund, and the FRONTLINE Journalism Fund with major support from Jon and Jo Ann Hagler on behalf of the Jon L. Hagler Foundation.