Peace surely is a good reason, yes. But there are other reasons too.

Different political views, even if they're all liberal, in the sense of supporting liberal constitutional democracy, undoubtedly have some notion of the common good in the form of the means provided to assure that people can make use of their liberties, and the like.

If A were not allowed his better position, B would be even worse off than he is.

Political philosophy is realistically utopian when it extends what are ordinarily thought to be the limits of practicable political possibility and, in so doing, reconciles us to our political and social condition. Our hope for the future of our society rests on the belief that the social world allows a reasonably just Society of Peoples.

Of course, we know that not everyone agrees with assisted suicide, but people might agree that one has the right to it, even if they're not themselves going to exercise it.

If you compare the United States with Europe, my view is that what happened in Europe is that the church became deeply distrusted by people, because it sided with the monarchs. It instituted the Inquisition and became part of the repressive state apparatus. That never happened here. We don't have that history.

The bad man desires arbitrary power. What moves the evil man is the love of injustice.