Can a UN in crisis deliver with the Gulf, Gaza and Sudan in need of action?

World leaders are gathering for the high-level week of the 81st UN General Assembly as crises in the Gulf, Gaza and Sudan compete for diplomatic attention.

The race to choose the next secretary-general adds to the pressures on an organization that one longtime UN watcher described as stuck in “an open-ended crisis. ” The assembly’s session has already opened, but the leaders’ general debate begins on Tuesday, with…