I wonder if Zelensky is becoming an advertisement for what many Russians wish their leader could be (a guy that creates a liberal democracy with a strong military, thereby addressing corruption and laying foundation for a great economy). Of course what if Putin gets deperate and drops a tactical nuke on a large Ukrainian City? Perhaps at this point, the UN etc rules a breach of the rules of war, allows the "Failsafe" option (a compensatory nuke on a similar Russian city), game over.