Those opposed to any kind of peace settlement between Ukraine and Russia typically argue that you must respond to aggression with force. If a dictator invades a foreign country, you must fight back against the dictator or provide help to the foreign country so they can fight back.The NATO countries have taken a pragmatic compromise position from the start. Because Ukraine is not part of NATO, the NATO countries have no doctrinal basis to send troops and air support into Ukraine. Instead, the NATO countries, especially the United Stat …