Mounting tensions in our society have brought us to a criticalpoint in the matter of political and civil rights. The stresses are inlarge measure internal. They grow out of the accelerating movementto effect far-reaching changes in our economic and social structure, amovement which evokes ever-increasing resistance. As the conflictssharpen, there is rising pressure to discard or undermine the basicprinciples embodied in the democratic concept of freedom for politicalopposition
