WASHINGTON — Ngozi Okonjo-Iweala, a Nigerian economist and former finance minister, is poised to become the first woman and first African to lead the World Trade Organization, when the members of the global trade body meet on Monday to consider her candidacy for director general.The appointment would remove a key obstacle to the functioning of the World Trade Organization, which has been leaderless during a time of growing protectionism and global economic upheaval brought about by the pandemic. But even with Dr. Okonjo-Iweala at the helm and the renewed support of the Biden administration, the World Trade Organization, which was …
