Rached Ghannouchi - President, Ennahda Movement, Tunisia

Stephen Sackur travels to Tunisia, birthplace of the Arab uprising in early 2011, to talk to Rached Ghannouchi. The veteran leader of the ruling Islamist party Ennahda is the most powerful man in this country's post-revolutionary politics. His vision of political Islam has been influential far beyond Tunisia, but at home he's now under enormous pressure. Can freedom, democracy and Islamism really co-exist?