We're at a moment when the international system is in a period of change like we haven't seen for several hundred years. In some parts of the world, the nation state, on which the existing international system was based, is either giving up its traditional aspects, like in Europe, or as in the Middle East, where it was never really fully established, it is no longer the defining element. So in those two parts of the world, there is tremendous adjustment in traditional concepts.
I think Vladimir Putin will give up power.
While we should never give up our principles, we must also realize that we cannot maintain our principles unless we survive.
In the short term, it would not have made it possible to resume relations, because in the Chinese mind, the humiliation of China started with the annexation of Taiwan by Japan. If the United States had suddenly declared Taiwan as a separate state - for which we would have had no support among other nations - the consequences would have been giving up our relationship with China and committing ourselves to a long-term conflict with China.