Wrong!the reason you got tied up in Iraq was because you failed to stand up to the real bullies on your own doorstep, The Dogs of War in the Whitehouse
That, my man, is the easiest out yet: blame the population.
Watching recent news disclosures made possible under the "freedom of information" thing, it turns out that both Washington and London were independently well aware of the non-existence of WMDs but both, for whatever reasons, were unable to disclose, or discuss, that information to/with the other. Allies?
By the time the momentum of war gets rolling, only war itself can stop it. There are too many people making mega-bucks out of the economy of war; too many ordinary citizens whose jobs ARE making the tools of war. How do you get out of it? You don´t: you just hope for some sanity to prevail worldwide for long enough to allow us to regather our strengths in order to do it all over again.
It is the nature of man. You know, homo sapiens...