Well, insofar as the combatants being readily identifiable. In WW1 and 2, there was a certain understanding between soldiers, almost fraternal, and it was far more clear than now who was actually fighting.

Now, there are many countries, notably in Africa, where you'll see seven year olds with AK-47s, and "armies" don't really exist. Do you kill that seven year old? Does that child really realize what he's doing? Could you capture him as a POW? Do the Geneva conventions even address this?

From what I have heard, Iraq is like Vietnam in the sense that you can't trust anything. That's what I mean by war being fundamentally different, now.

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