Bush also extensively used "free speech zones" (https://en.wikipedia.org/wiki/Free_speech_zone https://en.wikipedia.org/wiki/Free_speech_zone) to cordon off and

Bush also extensively used "free speech zones" (https://en.wikipedia.org/wiki/Free_speech_zone https://en.wikipedia.org/wiki/Free_speech_zone) to cordon off and split up protests so that they would not be seen or reach a wider audience.