““[T]he most elaborate code of [law]... would still have left unspecified a hundred ways in which wreckers of Communism could have sidetracked it without ever having to face the essential questions: are you pulling your weight in the social boat? are you giving more trouble than you are worth? have you earned the privilege of living in a civilized community? That is why the Russians were forced to set up an Inquisition or Star Chamber, called at first the Cheka and now the Gay Pay Oo (Ogpu), to go into these questions and "liquidate" persons who could not answer them satisfactorily.””