Chilling analysis by Simon Leitch of the use of force by Russia and China to achieve political objectives:
Because China and Russia are major powers with nuclear weapons, dangerous conventional forces and economic leverage, states seeking to deter them from territorial challenges lack credible threats. To address this they must learn the Cold War lessons of manipulating risk or forfeit the initiative to opponents.
This is a high-stakes game of chicken which could encourage smaller states to pursue their own nuclear deterrent and indulge in aggressive, irrational, North-Korean-style behavior in order to discourage aggression from their larger neighbors.
Read more at Ukraine crisis offers lessons in how to handle China's ambitions.