As President Vladimir Putin moves to consolidate Russian autonomy over Crimea with a referendum, the West continues to struggle to find acceptable policies to reverse or punish this encroachment.  Short of a military response that would be profoundly reckless and exceedingly dangerous, in these policy deliberations by the West led by Washington, history seems to be missing in action. Sometimes history matters.   In the late 1960’s, NATO faced several crises with the Soviet Union.  The Soviet Union had embarked on a major rearmament program for both its nuclear and conventional forces that challenged the strategy of nuclear retaliation anchoring NATO’s defense.  In 1968, after the Prague Spring broke out, [...]