Amid a rising tide of trade barriers from export disputes to high tariffs, the World Trade Organization has its work cut out for it. WTO Director-General Ngozi Okonjo-Iweala with an outlook on trade this year, as she goes on her second term. And an exclusive talk with Zhang Yaqin, the Chair Professor of AI Science and Dean of Institute for AI Industry Research at Tsinghua University, on the heavy impact of artificial intelligence on global industries and U.S. technology policy.