W.T.O. Chief Quits Suddenly, Adding to Global Turmoil

FRANKFURT — The head of the organization charged with bringing a semblance of order to international trade relations resigned unexpectedly Thursday, adding another element of uncertainty to commerce in the midst of the coronavirus pandemic and escalating trade conflicts. Roberto Azevêdo, a career Brazilian diplomat, resigned as the director-general of the World Trade Organization effective Aug. 31, the Geneva-based organization said. His second…