BusinessTrade protectionism — the new normal?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusiness04/23/2018April 23, 2018As the world's biggest industrial trade fair kicks off in Hanover, Germany, DW discussed rising protectionism and trade barriers with Robert Koopman, chief economist of the World Trade Organization (WTO).https://p.dw.com/p/2wX9WAdvertisement