A corruption scandal involving sexual misconduct, nepotism, retaliation against whistleblowers, and lots of business-class travel has gripped the United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA). It represents a new low for UNRWA and is an indictment of the idea of an international agency dedicated to a single interest. But it's also a unique opportunity to see behind the curtain of a billion-dollar UN bureaucracy and phase it out.