And Germany once thought it "needed" to regain its colonies, and France once thought its very survival would be threatened if it didn't hold onto Algeria, and so on.
That's what I mean by backward-looking. Putin is so obsessed with his perceived stature and "correcting" past humiliations that he's willing to create a completely fictional crisis and drive his country into a never-ending meatgrinder war just to prove some abstract geopolitical point.
This just goes to show how incomparable the situation is with the Cuban missile crisis. The US has nothing to remove, because their nuclear weapons stand where they stood 40 years ago.