Former MI6 chief Richard Moore:
Xi Jinping is very carefully watching what is happening in Ukraine. He watches what is happening over Iran.
The danger is that if they start to believe that the West, and in particular the US, does not have the will to neutralize people like Putin or indeed the Iranian regime, then it will add to the narrative of Western decline.
It might lead him down the path of doing something, making a mistake in Taiwan or whatever.