Last week, former British Foreign Secretary David Miliband announced plans to move to New York to head the International Rescue Committee, a leading humanitarian organization. In his new position, Miliband is likely to be a powerful voice in debates over crises such as that in Syria. His decision may have inspired some envy at the United Nations, which would benefit from the services of such a seasoned political operator. U.N. officials are already starting to size up early candidates to replace Ban Ki-moon as secretary-general in 2017. The next leader of the U.N. is likely to be a European. But […]