Citizen activists can influence the policy positions of their elected representatives. Their activism might well counter the advantages of the wealthy in America.
It's not a new phenomenon that scientists who challenge the orthodoxy or policy positions suffer career ramifications.
South Africa needs to build a mental infrastructure that will allow people to individually and collectively engage in a bold, courageous and trutfhul dialogue.
There were more protests in Britain last year than at any time since the 1970s.
We are in danger of losing sight of what freedom is.