What is the appeal of Islamic State to young people?
Guantánamo and the 2011 UK riots are subjects on which director Nicolas Kent and novelist Gillian Slovo have collaborated. But what was it like to work on their most provocative challenge?In his neat jumper and jeans, Nicolas Kent doesn't look much like a subversive. Yet this quietly spoken 71-year-old has probably provoked more serious thinking on controversial issues than any other theatre director working in Br…