[Reporter] The selection of the World Trade Organization's next director-general has entered its final phase, with two candidates left in the running: Ngozi Okonjo-Iweala, a former Nigerian finance and economy minister and a former managing director of the World Bank, and Yoo Myung-hee, South Korea's trade minister. In view of the WTO's current challenges, Okonjo-Iweala is the better choice.