I am not sure we have ever had a good discussion focused on the UN. It has shown up many times as a side discussion or tangent.
http://forum.juhlin.com/showthread.php?t=3613
Is the best I can find.
Even searched the database for thread titles with 2 letters (UN). Only thing there is if the UN would handle the DPRK vs ROK conflict.
http://forum.juhlin.com/showthread.php?t=3526
Not surprised you forgot them. From a pretty dark time around here.