Renowned author and former PEN American Center President Salman Rushdie, who founded the World Voices Festival in 2005, discusses the importance of freedom of expression with his friend and colleague Timothy Garton Ash, a scholar and tireless advocate of free speech and the advancement of literature. Timothy Garton Ash is currently writing a major book on free speech in the age of mass migration and the internet. Please visit his Free Speech Debate website: http://freespeechdebate.com/en/.