>Don't know the present situation, correct me if I'm wrong, but I remember that for many years (in 70s? 80s?) US was not paying its dues to UN, or at least not in a timely fashion. And probably several other richer members did the same.

I do believe that is true.

> So if UN is weak, I can only conclude that's the by the will of the members.

Actually, the lack of will... < g >