Tigs2
The imminence requirement is good law, because without it, you could drive a coach and horses through both the non-intervention and non-agression doctrines on which the UN is founded.
As for the second question, I refer the hon. Gentleman to Kofi Annan's BBC interview of 16 Sep 04 (
http://news.bbc.co.uk/2/hi/middle_east/3661640.stm, about halfway down). Annan thought that GW2 was illegal, and if so, Blair and Bush were the people who ordered it; people who are found guilty of illegal acts are often called criminals. Draw your own conclusions...
S41