"He postulated two options where he believes it would be permissible to target Americans on U.S. soil"<quoted text>
You should watch the entire video of Krauthammer's comments. You forgot to mention that he said, "What's ridiculous here is we know (these extreme examples) aren't going to happen" and "you can create extreme examples, but since it's not going to happen, let's agree on a code we can agree on."
You've been watching too much NBC where they, too, edit out stuff they don't want you to know.
oh yes. way too extreme.