Tickets are still on sale for the Battle of Ideas 2011.
With over 70 separate sessions over two days of political debate, the Battle of Ideas is an essential fixture in your calendar. Tickets are still available so book your place now.
What does it mean to be a liberal today?
"The Battle of Ideas is a global treasure. Bringing together some of the world's leading thinkers for civil dialogue on an array of topics, the festival is a must-see for those deeply committed to the free exchange of ideas."
Fredrick C. Harris, professor of political science, Columbia University