Here is a nice interview with the Ukrainian human rights lawyer Oleksandra Matviichuk that summarizes the current situation very well. She believes that the solution to this conflict can only be (unfortunately) military but she also believes that Putin and all Russians who participated in his crimes must be put on trial at some time. I found it quite interesting.
https://www.yahoo.com/news/ukrainian-nob...16619.html
https://www.yahoo.com/news/ukrainian-nob...16619.html