Some well thought out arguments here about why Russia needs to be beaten in Ukraine and how a negotiated peace where Russia keeps any of the Ukrainian territories it now occupies is doomed to long term failure and future troubles for Europe.
There's a fair bit of reading but it gives some very insightful perspectives.
https://www.chathamhouse.org/2023/06/how-end-russias-war-ukraine
Also some good points in short videos like this. https://m.youtube.com/watch?v=JY1jEvgFw0w