How much of a political game-changer is the emergence of a new, self-styled Islamic State?

Jul 07, 2014, 04:43 PM

The terror group ISIS has now rebranded itself a caliphate. But what exactly IS a caliphate? And how much of a political game-changer is the emergence of a new, self-styled Islamic State? Professor Fawaz Gerges is from the London School of Economics. Also Dr David Tombs is from the Irish Centre for Post Conflict Justice at Trinity College.