Russia responds to Western meddling in its "backyard" with geopolitical moves in Crimea and Ukraine, and meddling in the US election.
When the Russians started messing about in Cuba, we nearly went full WW3 on them.
For what purpose did we go back on our word? We won the cold war. The best path forward would have been to strengthen ties so the two superpowers could work together to deal with the world's problems.
Instead we decided to humiliate the Russians, and the pro-west Yeltsin was eventually replaced by the nationalist Putin.
Whoever was making these policy decisions in the '90s -- What were they thinking?