[pmr_]

I think it is important to point out that no one has been declared guilty of "waging war" at the Nuremberg Trials but for waging a war of aggression or a war in violation of international treaties and conspiring for such a war. (The full quote can be found under "Nuremberg Principles".) You are certainly right that such trials always will feel wrong and I'm sure a lawyer could bring up several good arguments why they are wrong.

I still think they are better than plain shooting someone because they indicate a willingness to follow higher standards than the other party. Moral high ground is important in conflicts motivated by ideology. On a tangent I also feel that the lack of moral high ground is why approval of U.S. foreign policy is declining among its allies and even more so among neutral countries.