"I did not make the call- the US did
Yes, and I said it was not their call to do so.

"And the UN was so effective in Serbia, and Rwanda, and Cambodia...

Well the US have proved (even though they promised that this was not the case at the beginning of hostilities), that they can't go it alone.

But by all means, beardedbruce, have your country go it alone.
If it was up to me, with the arrogance I see attached to some people's view of America's involvement in Iraq, I would be inclined to say: "There you go, boys.... good luck!"

Jim