Is public opinion a force for good government or not? If recent events in Burma, Pakistan and Georgia show anything at all it is that public opinion is ultimately the basis of power and legitimacy. Which is something several political philosophers have told us for over 200 years, but it is fascinating to watch these struggles unfold.
And it explains why authoritarian regimes are always keen to control public opinion by:

Tom Jacobson, Professor and Senior Associate Dean for Academic Affairs in the School of Communications and Theater, Temple University.
Caroline Jaine,
Taeku Lee, Associate Professor of Political Science and Visiting Professor of Law at the University of California at Berkeley. 