As a graduate student at Columbia University's Russian Institute, my field of study was totalitarianism. I learned that a major characteristic of Soviet and other totalitarian regimes was their frequent rewriting of history. As a famous Soviet dissident joke put it:"In the Soviet Union, the future is known; it's the past which is always changing."Given the relationship between changing the past and totalitarianism, there is reason to be amply frightened by the current decision of the Los Angeles County Board of Supervisors to change the seal of Los Angeles County. Solely because of a letter from the American Civil Liberties...