Ayaan Hirsi Ali on Fighting Radicalism with Reasonbr Australian Broadcasting Corporation - Centre for Independent Studiesbr Big Ideas Forum: Protecting the Legacy of Freedom: The Ideas of The Enlightenment in the 21st CenturyCIS has often been instrumental in gathering key intellectuals, policymakers and authors together in Australia. Such occasions are an ideal opportunity to present to the public a discussion on a topic of importance for our society, and the international community.The CIS Big Ideas Forums began in 2002 with the idea of presenting to the public a discussion on a specific topic, led by the foremost thinkers.