There are always reasons for going to war. Whether they are the declared reasons is a subject debated in the first scene of Shakespeare's Henry V. basically Henry wants France, so he gets a load of religious and political gobbledegook together and fabricates a reason for going to war, and he is very quick to take offence.

Whether Bush went to war for undeclared motives, we will have to let history judge.

I don't think anybody would be surprised if that were the case. But there would have been a motive (it wasn't just a flash of inspiration) - and none of us really KNOW the truth of the matter. It comes down to if you trust him.

I don't - not after the WMD thing.

Still once you're at war, the important thing is to win the bloody thing.