Russian readiness to destroy a security structure it itself helped to negotiate after the Cold War now threatens the balance of power in Europe. The ongoing struggle over the European security structure resembles the fight in the 1980s over the deployment of medium-range missiles.
It was German Chancellor Helmut Schmidt who first raised the issue of the threat to Europe from Soviet SS-20 missiles in 1979.
His successor Helmut Kohl in a dramatic domestic fight pushed through the so-called Double-Track Decision, where Germany accepted the NATO decision to deploy intermediate range missiles in Germany if the Soviet Union refused to negotiate about the missile issue. The rest is history.