The conflict between Israel and Hamas could have a “really big impact” on trade flows if it continues, especially if it broadens to other parts of the region, World Trade Organization Director-General Ngozi Okonjo-Iweala said on Friday. Okonjo-Iweala, in Morocco for International Monetary Fund and World Bank meetings, told Reuters that the conflict, if it lasts, could add to the litany of issues dragging down trade flows ahead of the new year, joining conflict in Ukraine, persistent inflation and broader...