No idea who George Galloway is, so i'll consider myself a pacifist. There are times war is unavoidable, this isn't one of them. Casualties under the Iraqi population are way higher than that of coalition soldiers and exceed the amount under Saddam's regime. Saddam's secularism is gone, the oil being exported neglible, the democracy frail and 100% dependant on foreighn troops, Iran is filling the gap as regional power. Way to go.
If, and i say if, an attack on Iraq was justified just because of the humanitarian situation under Saddam's rule (as according to those who say it was right to go to war, only not for the reasons given), then what about all the other nations in the world where the humanitarian situation is just as bad. or worse? I name you a North Korea, Burma, Sudan, and the list doesn't stop there.
It's such an utterly hypocrit argument.
At least Gulf War 1 was honestly about the oil, even if the humanitarian effect (Saddam's retaliation on the Kurd uprising) was just as bad.
That said, i think retreating, as is advocated by some left winged political flavours, is even worse. First you mess up the place, then you leave and leave the people to their fate? Take the consequences and finish what you've started. Such a move would be just as bad as going there in the first place.