It is financially strapped, structurally flawed, infamously bureaucratic, reputationally damaged and riven with infighting. So why would anyone want to take on the role of the next secretary general of the United Nations? “I really think there should be some sort of psychiatric test for wanting this position,” said Richard Gowan, global issues and institutions director at the International Crisis Group (ICG). “The stakes are exceptionally high, and there is a strong sense around the UN that the...