A major survey of federal government scientists commissioned by the Professional Institute of the Public Service of Canada (PIPSC), has found that 90% feel they are not allowed to speak freely to the media about the work they do. The survey and the full report of findings are available here:
http://www.pipsc.ca/portal/page/portal/website/issues/science/bigchill
Canadian Association of Physicists
SUPPORTING PHYSICS RESEARCH AND EDUCATION IN CANADA