BusinessUS trade frustration shifts EU in Trump's focusTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusiness03/09/2018March 9, 2018Fruitless efforts by successive US administrations to put global trade on a level playing field are partly to blame for Donald Trump's protectionist measures, says Erdal Yalcin, an economics professor at HTWG Konstanz.https://p.dw.com/p/2u1oQAdvertisement