berlin german finance minister wolfgang schaeuble issue warn u.s. president-elect donald trump dangers protectionist trade policies add call fake news come russia amount propaganda war whoever want growth trust administration growth-friendly one must favor open market schaeuble tell wall street journal interview protectionism afford short-term advantage almost always damage long term add paper say schaeuble speak publication trump interview german daily bild president-elect threaten impose border tax 35 percent vehicles import u.s. market schaeuble also say countries must counter attempt influence politics via fake news highlight high-profile case german-russian girl russian media say kidnap rap migrants berlin claim late refute german authorities people mislead fake news russian-language state- finance direct television schaeuble say one describe anything propaganda war germany 's schaeuble warn trump protectionism wsj