I am not going to use, as my model of humanity, the worst moments from humanity's history.

You can always, usually quite easily, find an example from history of an atrocity worse than the one you're looking at right now. I just don't understand what kind of mind thinks this kind of moral relativism is helpful or anything even close to pragmatic. Actually, I do, it's a mind that hasn't studied history.

If you allow a fanatic like Putin to dictate what Ukraine can and can't do, especially, I remind you, when he has already annexed several parts of Ukraine, you embolden him. You send the message to a sociopath that he'll be rewarded for pushing the boundaries of the law because you're too timid to stop him. That's literally what Chamberlain tried with Hitler. Remember how that turned out?

If we abandon the notion of laws and norms and restraint, the world ends. It's as simple as that. And it ends really quickly. Putin, precisely because he is so willing to violate the law and the norms of international diplomacy, might well drag us into World War III any day now.

Netanyahu's provocation of Iran, and his ongoing avarice for Palestininan land, might drag America (and the rest of the world) into an equally apocalyptic conflict in the Middle East.

The solution, when world leaders go rogue, cannot be to placate them and give then what they demand in the hopes that they'll be satisfied. They won't.