Cooperate for what? In the end..and stats have show..all the UN investagations have a heavy Arab arm. Countries are scared to go against the arab league cause of the influance with their oil (soon to be gone). The state of Israel has a right to protect themselfs at all cost..including being labled "wrong"..which will be the outcome anyways. The UN showed it when they condemed Israel for the Turkish ship before any investagtion was done.
Law expanding definition of terrorist activity passes first Knesset reading (Haaretz)
from the article: Balkan summit condemns Israeli raid on Gaza flotilla