Almost everyone agrees on the need for changes, but there is little agreement on what to do and nearly insuperable hurdles to doing anything.

Farnaz Fassihi led coverage of the just-concluded United Nations General Assembly

A large formal meeting hall with the United Nations logo.

Delegates and world leaders at the United Nations General Assembly last week in New York. They largely agree on the need for changes in the body’s diplomatic structure but cannot agree on what is needed. (Credit: Dave Sanders for The New York Times)