71.   The moral is that ballot initiatives and showy public discourse are just the exposed tip of a vast social continent of habit, custom and desire.

72.   The public discourse is way too shrill.

73.   The public discourse is increasingly shrill and mean-spirited, spreading through the body politic like an oil slick of discontent and anxiety.

74.   The public discourse has changed since the Republicans took over.

75.   The result was a heated exercise in spontaneous public discourse.

76.   The result was a long, well-choreographed exercise in public discourse that left some in the hearing room scratching their heads and fidgeting in their seats.

77.   The result was not only a debate about terrorism but a renewed media power struggle over who sets the rules of public discourse.

78.   The vote also called for civility in public discourse.

79.   The widely varying remedies offered in public discourse are often different because of substantial disagreements over why we are attempting to remedy things in the first place.

80.   These for-profit companies all declare they want the Internet to be an engine of public discourse.