Fighting is very physical and extreme and you're very vulnerable. It's a very mental type of thing.
I myself believe that there will one day be time travel because when we find that something isn't forbidden by the over-arching laws of physics we usually eventually find a technological way of doing it.
The act of voting by ordinary Iraqis in the face of extreme danger confirms President Bush's belief that people around the globe, when given a chance, will choose liberty and democracy over enslavement and tyranny.