Ukraine has surprised the world.

When the dust settles, I'm sure the world best political scientist will descend on Ukraine and makes some changes to its 1991 constitution.

But maybe it is time for a better way of governance:

https://medium.com/tiered-democratic-governance/the-tdg-essay-cf48e4b4a1eb

BTW: this essay, written in 2017, has a big Ukrainian connection.